source/media/helpimg/starmath/fu21501.svg         |   76 +++++++++--
 source/media/helpimg/starmath/fu21502.svg         |   70 ++++++++--
 source/media/helpimg/starmath/fu21503.svg         |   77 +++++++++--
 source/media/helpimg/starmath/fu21504.svg         |   81 +++++++++--
 source/media/helpimg/starmath/fu21505.svg         |   67 ++++++++-
 source/media/helpimg/starmath/fu21506.svg         |   68 ++++++++-
 source/media/helpimg/starmath/fu21507.svg         |   73 +++++++++-
 source/media/helpimg/starmath/fu21508.svg         |   73 +++++++++-
 source/media/helpimg/starmath/fu21509.svg         |   70 +++++++++-
 source/media/helpimg/starmath/fu21510.svg         |   71 +++++++++-
 source/media/helpimg/starmath/fu21511.svg         |   72 +++++++++-
 source/media/helpimg/starmath/fu21512.svg         |   73 +++++++++-
 source/media/helpimg/starmath/fu21513.svg         |   75 +++++++++--
 source/media/helpimg/starmath/fu21514.svg         |   78 +++++++++--
 source/media/helpimg/starmath/fu21515.svg         |   79 +++++++++--
 source/media/helpimg/starmath/fu21516.svg         |   79 +++++++++--
 source/media/helpimg/starmath/fu21517.svg         |   80 ++++++++++-
 source/media/helpimg/starmath/fu21518.svg         |   80 ++++++++++-
 source/media/helpimg/starmath/fu21519.svg         |   79 ++++++++++-
 source/media/helpimg/starmath/fu21520.svg         |   80 ++++++++++-
 source/media/helpimg/starmath/fu21521.svg         |   83 ++++++++++--
 source/media/helpimg/starmath/fu21522.svg         |   85 ++++++++++--
 source/media/helpimg/starmath/fu21523.svg         |   85 ++++++++++--
 source/media/helpimg/starmath/fu21524.svg         |   84 ++++++++++--
 source/media/helpimg/starmath/fu21908.svg         |   71 ++++++++--
 source/text/shared/explorer/database/menuview.xhp |    4 
 source/text/smath/01/03090400.xhp                 |  150 +++++++++++-----------
 27 files changed, 1718 insertions(+), 345 deletions(-)

New commits:
commit 589e7f29b4f02d45300d596036516f6b3c0bf202
Author:     Olivier Hallot <olivier.hal...@libreoffice.org>
AuthorDate: Thu Jun 20 11:49:17 2019 +0200
Commit:     Olivier Hallot <olivier.hal...@libreoffice.org>
CommitDate: Fri Jun 21 19:01:36 2019 +0200

    Improve functions Math symbols display in Help page
    
    resize Math funcitons icons (svg's)
    
    Change-Id: I36acb1b7d9ef9aafcd1dd88c24a4130918341d28
    Reviewed-on: https://gerrit.libreoffice.org/74476
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hal...@libreoffice.org>

diff --git a/source/media/helpimg/starmath/fu21501.svg 
b/source/media/helpimg/starmath/fu21501.svg
index 47c7f802f..a6f0950a8 100644
--- a/source/media/helpimg/starmath/fu21501.svg
+++ b/source/media/helpimg/starmath/fu21501.svg
@@ -1,16 +1,66 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg8"
+   sodipodi:docname="fu21501.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata14">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs12" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview10"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.20091"
+     inkscape:cy="-39.22"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg8" />
   <path
- d="M 0.9043,10.77 V 1.138 H 1.541 V 10.77 Z"
-
- />
+     d="M 5.64065,16.311 V 6.679 h 0.6367 v 9.632 z"
+     id="path2"
+     inkscape:connector-curvature="0" />
   <path
- d="M 10.6,8.904 V 9.256 H 7.276 V 8.904 L 8.252,8.725 6.557,6.123 4.572,8.74 
5.58,8.904 V 9.256 H 2.94 V 8.904 L 3.791,8.779 6.205,5.592 4.08,2.459 
3.213,2.264 V 1.912 H 6.541 V 2.264 L 5.565,2.475 6.979,4.584 8.604,2.459 
7.596,2.264 V 1.912 H 10.24 V 2.264 L 9.393,2.428 7.33,5.1 9.744,8.74 Z"
-
-
- />
+     d="m 15.33635,14.445 v 0.352 h -3.324 v -0.352 l 0.976,-0.179 
-1.695,-2.602 -1.985,2.617 1.008,0.164 v 0.352 h -2.64 v -0.352 l 0.851,-0.125 
2.414,-3.187 L 8.81635,8 7.94935,7.805 V 7.453 h 3.328 v 0.352 l -0.976,0.211 
1.414,2.109 1.625,-2.125 -1.008,-0.195 V 7.453 h 2.644 v 0.352 l -0.847,0.164 
-2.063,2.672 2.414,3.64 z"
+     id="path4"
+     inkscape:connector-curvature="0" />
   <path
- d="M 11.986,10.78 V 1.152 H 12.623 V 10.78 Z"
-
- />
-</svg>
\ No newline at end of file
+     d="M 16.72235,16.321 V 6.693 h 0.637 v 9.628 z"
+     id="path6"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21502.svg 
b/source/media/helpimg/starmath/fu21502.svg
index bc07f8109..6f3d9098b 100644
--- a/source/media/helpimg/starmath/fu21502.svg
+++ b/source/media/helpimg/starmath/fu21502.svg
@@ -1,12 +1,62 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg20"
+   sodipodi:docname="fu21502.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata26">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs24" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview22"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.57061"
+     inkscape:cy="-37.91"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg20" />
   <path
- d="M 7.661,10.27 V 10.56 H 4.887 V 10.27 L 5.701,10.12 4.289,7.949 
2.635,10.13 3.475,10.27 V 10.56 H 1.274 V 10.27 L 1.984,10.16 3.996,7.507 
2.225,4.896 1.502,4.733 V 4.44 H 4.275 V 4.733 L 3.462,4.909 4.64,6.667 
5.994,4.896 5.154,4.733 V 4.44 H 7.355 V 4.733 L 6.652,4.87 4.933,7.096 
6.945,10.13 Z"
-
- />
+     d="m 12.814,15.209 v 0.29 H 10.04 v -0.29 l 0.814,-0.15 -1.412,-2.171 
-1.654,2.181 0.84,0.14 v 0.29 H 6.427 v -0.29 L 7.137,15.099 9.149,12.446 
7.378,9.835 6.655,9.672 V 9.379 H 9.428 V 9.672 L 8.615,9.848 9.793,11.606 
11.147,9.835 10.307,9.672 V 9.379 h 2.201 v 0.293 l -0.703,0.137 -1.719,2.226 
2.012,3.034 z"
+     id="path16"
+     inkscape:connector-curvature="0" />
   <path
- d="M 10.67,9.063 H 10.38 L 9.908,5.587 Q 9.634,3.485 9.634,2.118 9.634,1.688 
9.876,1.352 10.12,1.032 10.53,1.032 11.42,1.032 11.42,2.196 11.42,3.563 
11.14,5.633 Z M 9.915,10.61 Q 10.18,10.35 10.52,10.35 10.85,10.35 11.12,10.61 
11.38,10.88 11.38,11.2 11.38,11.56 11.13,11.83 10.87,12.09 10.52,12.09 
10.17,12.09 9.908,11.82 9.65,11.55 9.65,11.2 9.65,10.88 9.915,10.61 Z"
-
-
- />
-</svg>
\ No newline at end of file
+     d="m 15.823,14.002 h -0.29 l -0.472,-3.476 q -0.274,-2.102 -0.274,-3.469 
0,-0.43 0.242,-0.766 0.244,-0.32 0.654,-0.32 0.89,0 0.89,1.164 0,1.367 
-0.28,3.437 z m -0.755,1.547 q 0.265,-0.26 0.605,-0.26 0.33,0 0.6,0.26 
0.26,0.27 0.26,0.59 0,0.36 -0.25,0.63 -0.26,0.26 -0.61,0.26 -0.35,0 
-0.612,-0.27 -0.258,-0.27 -0.258,-0.62 0,-0.32 0.265,-0.59 z"
+     id="path18"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21503.svg 
b/source/media/helpimg/starmath/fu21503.svg
index 84da7629f..3d5c882d4 100644
--- a/source/media/helpimg/starmath/fu21503.svg
+++ b/source/media/helpimg/starmath/fu21503.svg
@@ -1,16 +1,67 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg34"
+   sodipodi:docname="fu21503.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata40">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs38" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview36"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="7.375"
+     inkscape:cx="25.595966"
+     inkscape:cy="-2.7879661"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg34" />
   <path
- d="M 16.8,10.41 V 10.7 H 14.03 V 10.41 L 14.84,10.26 13.43,8.089 11.78,10.27 
12.62,10.41 V 10.7 H 10.42 V 10.41 L 11.13,10.3 13.14,7.647 11.37,5.036 
10.65,4.873 V 4.58 H 13.42 V 4.873 L 12.6,5.049 13.78,6.807 15.14,5.036 
14.3,4.873 V 4.58 H 16.5 V 4.873 L 15.79,5.01 14.08,7.236 16.09,10.27 Z"
- />
+     d="m 18.281815,15.33999 v 0.29 h -2.77 v -0.29 l 0.81,-0.15 -1.41,-2.171 
-1.65,2.181 0.84,0.14 v 0.29 h -2.2 v -0.29 l 0.71,-0.11 2.01,-2.653 
-1.77,-2.6109995 -0.72,-0.163 v -0.293 h 2.77 v 0.293 l -0.82,0.176 
1.18,1.7579995 1.36,-1.7709995 -0.84,-0.163 v -0.293 h 2.2 v 0.293 l 
-0.71,0.137 -1.71,2.2259995 2.01,3.034 z"
+     id="path28"
+     inkscape:connector-curvature="0" />
   <path
- d="M 4.806,11.89 H 4.109 L 2.176,6.494 H 1.082 V 5.973 H 2.846 L 4.526,10.77 
7.469,1.253 H 8.055 Z"
-
-
- />
+     d="m 6.287818,16.81999 h -0.697 l -1.933,-5.396 h -1.094 v -0.521 h 1.764 
l 1.68,4.797 2.9429994,-9.5169995 h 0.586 z"
+     id="path30"
+     inkscape:connector-curvature="0" />
   <path
- style="fill:none;stroke:#000000;stroke-width:1px;" d="M 7.5,1.75 18.95,1.85"
-
-
- />
-</svg>
\ No newline at end of file
+     style="fill:none;stroke:#000000;stroke-width:1px"
+     d="m 8.9818174,6.6799905 11.4499976,0.1"
+     id="path32"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21504.svg 
b/source/media/helpimg/starmath/fu21504.svg
index 1f8bee207..2204beabd 100644
--- a/source/media/helpimg/starmath/fu21504.svg
+++ b/source/media/helpimg/starmath/fu21504.svg
@@ -1,18 +1,71 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg50"
+   sodipodi:docname="fu21504.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata56">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs54" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview52"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="7.375"
+     inkscape:cx="23.485892"
+     inkscape:cy="-38.11"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg50" />
   <path
- d="M 1.766,1.275 Q 2.066,1.103 2.406,0.9938 2.746,0.8805 2.973,0.8805 
3.449,0.8805 3.691,1.158 3.934,1.435 3.934,1.963 V 4.377 L 4.379,4.474 V 4.65 H 
2.797 V 4.474 L 3.285,4.377 V 2.033 Q 3.285,1.709 3.125,1.525 2.969,1.338 
2.637,1.338 2.285,1.338 1.773,1.451 V 4.377 L 2.27,4.474 V 4.65 H 0.6836 V 
4.474 L 1.125,4.377 V 1.252 L 0.6836,1.154 V 0.9781 H 1.73 Z" />
+     d="m 3.4470167,6.38975 q 0.3,-0.172 0.64,-0.2812 0.34,-0.1133 
0.567,-0.1133 0.476,0 0.718,0.2775 0.243,0.277 0.243,0.805 v 2.414 l 
0.445,0.097 v 0.176 h -1.582 v -0.176 l 0.488,-0.097 v -2.344 q 0,-0.324 
-0.16,-0.508 -0.156,-0.187 -0.488,-0.187 -0.352,0 -0.864,0.113 v 2.926 l 
0.497,0.097 v 0.176 h -1.5864 v -0.176 l 0.4414,-0.097 v -3.125 l 
-0.4414,-0.098 v -0.1759 h 1.0464 z"
+     id="path42"
+     inkscape:connector-curvature="0" />
   <path
- d="M 16.8,10.41 V 10.7 H 14.03 V 10.41 L 14.84,10.26 13.43,8.089 11.78,10.27 
12.62,10.41 V 10.7 H 10.42 V 10.41 L 11.13,10.3 13.14,7.647 11.37,5.036 
10.65,4.873 V 4.58 H 13.42 V 4.873 L 12.6,5.049 13.78,6.807 15.14,5.036 
14.3,4.873 V 4.58 H 16.5 V 4.873 L 15.79,5.01 14.08,7.236 16.09,10.27 Z"
- />
+     d="m 18.481017,15.52475 v 0.29 h -2.77 v -0.29 l 0.81,-0.15 -1.41,-2.171 
-1.65,2.181 0.84,0.14 v 0.29 h -2.2 v -0.29 l 0.71,-0.11 2.01,-2.653 
-1.77,-2.611 -0.72,-0.163 v -0.293 h 2.77 v 0.293 l -0.82,0.176 1.18,1.758 
1.36,-1.771 -0.84,-0.163 v -0.293 h 2.2 v 0.293 l -0.71,0.137 -1.71,2.226 
2.01,3.034 z"
+     id="path44"
+     inkscape:connector-curvature="0" />
   <path
- d="M 4.806,11.89 H 4.109 L 2.176,6.494 H 1.082 V 5.973 H 2.846 L 4.526,10.77 
7.469,1.253 H 8.055 Z"
-
-
- />
+     d="m 6.4870167,17.00475 h -0.697 l -1.933,-5.396 h -1.094 v -0.521 h 
1.764 l 1.68,4.797 2.943,-9.517 h 0.586 z"
+     id="path46"
+     inkscape:connector-curvature="0" />
   <path
- style="fill:none;stroke:#000000;stroke-width:1px;" d="M 7.5,1.75 18.95,1.85"
-
-
- />
-</svg>
\ No newline at end of file
+     style="fill:none;stroke:#000000;stroke-width:1px"
+     d="m 9.1810167,6.86475 11.4500003,0.1"
+     id="path48"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21505.svg 
b/source/media/helpimg/starmath/fu21505.svg
index 71bcc0001..bc44b63ee 100644
--- a/source/media/helpimg/starmath/fu21505.svg
+++ b/source/media/helpimg/starmath/fu21505.svg
@@ -1,9 +1,62 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg6"
+   sodipodi:docname="fu21505.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata12">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs10" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview8"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.41361"
+     inkscape:cy="-38.1"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg6" />
   <path
- d="M 2.172,9.009 V 9.114 Q 2.172,9.923 2.348,10.37 2.529,10.82 2.898,11.05 
3.273,11.29 3.877,11.29 4.193,11.29 4.627,11.24 5.061,11.18 5.342,11.12 V 11.45 
Q 5.061,11.63 4.574,11.76 4.094,11.9 3.59,11.9 2.307,11.9 1.709,11.21 
1.117,10.51 1.117,8.985 1.117,7.544 1.721,6.835 2.324,6.126 3.443,6.126 
5.559,6.126 5.559,8.528 V 9.009 Z M 3.443,6.594 Q 2.834,6.594 2.506,7.087 
2.184,7.579 2.184,8.54 H 4.539 Q 4.539,7.491 4.269,7.046 4,6.594 3.443,6.594 Z" 
/>
+     d="m 7.1235,13.944 v 0.105 q 0,0.809 0.176,1.256 0.181,0.45 0.55,0.68 
0.375,0.24 0.979,0.24 0.316,0 0.75,-0.05 0.434,-0.06 0.715,-0.12 v 0.33 q 
-0.281,0.18 -0.768,0.31 -0.48,0.14 -0.984,0.14 -1.283,0 -1.881,-0.69 
-0.592,-0.7 -0.592,-2.225 0,-1.441 0.604,-2.15 0.603,-0.709 1.722,-0.709 
2.116,0 2.116,2.402 v 0.481 z m 1.271,-2.415 q -0.609,0 -0.937,0.493 
-0.322,0.492 -0.322,1.453 h 2.355 q 0,-1.049 -0.27,-1.494 -0.269,-0.452 
-0.826,-0.452 z"
+     id="path2"
+     inkscape:connector-curvature="0" />
   <path
- d="M 11.98,6.474 V 6.738 H 9.488 V 6.474 L 10.22,6.34 8.949,4.388 7.461,6.351 
8.217,6.474 V 6.738 H 6.236 V 6.474 L 6.875,6.381 8.686,3.99 7.092,1.64 
6.442,1.494 V 1.23 H 8.938 V 1.494 L 8.205,1.652 9.266,3.234 10.48,1.64 
9.729,1.494 V 1.23 H 11.71 V 1.494 L 11.08,1.617 9.529,3.621 11.34,6.351 Z"
-
- />
-</svg>
\ No newline at end of file
+     d="m 16.9315,11.409 v 0.264 h -2.492 v -0.264 l 0.732,-0.134 
-1.271,-1.952 -1.488,1.963 0.756,0.123 v 0.264 h -1.981 v -0.264 l 0.639,-0.093 
1.811,-2.391 -1.594,-2.35 -0.65,-0.146 V 6.165 h 2.496 v 0.264 l -0.733,0.158 
1.061,1.582 1.214,-1.594 -0.751,-0.146 V 6.165 h 1.981 v 0.264 l -0.63,0.123 
-1.551,2.004 1.811,2.73 z"
+     id="path4"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21506.svg 
b/source/media/helpimg/starmath/fu21506.svg
index 5bbc6e2c2..5865683f6 100644
--- a/source/media/helpimg/starmath/fu21506.svg
+++ b/source/media/helpimg/starmath/fu21506.svg
@@ -1,10 +1,62 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg18"
+   sodipodi:docname="fu21506.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata24">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs22" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview20"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.61161"
+     inkscape:cy="-39.46"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg18" />
   <path
- d="M 1.315,10.54 V 1.027 H 2.31 V 9.985 H 3.737 V 10.54 Z"
- />
+     d="m 7.2015,16.2565 v -9.513 h 0.995 v 8.958 h 1.427 v 0.555 z"
+     id="path14"
+     inkscape:connector-curvature="0" />
   <path
- d="M 5.992,5.458 Q 6.444,5.2 6.953,5.036 7.463,4.866 7.803,4.866 8.518,4.866 
8.881,5.282 9.244,5.698 9.244,6.489 V 10.11 L 9.912,10.26 V 10.52 H 7.539 V 
10.26 L 8.272,10.11 V 6.594 Q 8.272,6.108 8.031,5.833 7.797,5.551 7.299,5.551 
6.772,5.551 6.004,5.721 V 10.11 L 6.748,10.26 V 10.52 H 4.369 V 10.26 L 
5.031,10.11 V 5.422 L 4.369,5.276 V 5.012 H 5.94 Z"
-
- />
-</svg>
\ No newline at end of file
+     d="m 11.8785,11.1745 q 0.452,-0.258 0.961,-0.422 0.51,-0.17 0.85,-0.17 
0.715,0 1.078,0.416 0.363,0.416 0.363,1.207 v 3.621 l 0.668,0.15 v 0.26 h 
-2.373 v -0.26 l 0.733,-0.15 v -3.516 q 0,-0.486 -0.241,-0.761 -0.234,-0.282 
-0.732,-0.282 -0.527,0 -1.295,0.17 v 4.389 l 0.744,0.15 v 0.26 h -2.379 v -0.26 
l 0.662,-0.15 v -4.688 l -0.662,-0.146 v -0.264 h 1.571 z"
+     id="path16"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21507.svg 
b/source/media/helpimg/starmath/fu21507.svg
index 54b35019f..0dae9a1f4 100644
--- a/source/media/helpimg/starmath/fu21507.svg
+++ b/source/media/helpimg/starmath/fu21507.svg
@@ -1,13 +1,66 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg32"
+   sodipodi:docname="fu21507.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata38">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs36" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview34"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.21151"
+     inkscape:cy="-41.74"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg32" />
   <path
- d="M 1.852,3.525 V 3.619 Q 1.852,4.338 2.009,4.739 2.17,5.135 2.498,5.343 
2.832,5.551 3.368,5.551 3.649,5.551 4.035,5.505 4.42,5.458 4.67,5.4 V 5.692 Q 
4.42,5.854 3.988,5.973 3.561,6.093 3.113,6.093 1.972,6.093 1.441,5.479 
0.9149,4.864 0.9149,3.505 0.9149,2.223 1.451,1.593 1.988,0.9629 2.983,0.9629 
4.863,0.9629 4.863,3.098 V 3.525 Z M 2.983,1.38 Q 2.441,1.38 2.149,1.817 
1.863,2.255 1.863,3.109 H 3.957 Q 3.957,2.176 3.717,1.781 3.477,1.38 2.983,1.38 
Z"
- />
+     d="m 4.65455,10.41355 v 0.094 q 0,0.719 0.157,1.12 0.161,0.396 
0.489,0.604 0.334,0.208 0.87,0.208 0.281,0 0.667,-0.046 0.385,-0.047 
0.635,-0.105 v 0.292 q -0.25,0.162 -0.682,0.281 -0.427,0.12 -0.875,0.12 
-1.141,0 -1.672,-0.614 -0.5261,-0.615 -0.5261,-1.974 0,-1.282 0.5361,-1.912 
0.537,-0.6301 1.532,-0.6301 1.88,0 1.88,2.1351 v 0.427 z m 1.131,-2.145 q 
-0.542,0 -0.834,0.437 -0.286,0.438 -0.286,1.292 h 2.094 q 0,-0.933 -0.24,-1.328 
-0.24,-0.401 -0.734,-0.401 z"
+     id="path26"
+     inkscape:connector-curvature="0" />
   <path
- d="M 10.93,5.755 V 5.989 H 8.712 V 5.755 L 9.363,5.635 8.233,3.9 6.91,5.645 
7.582,5.755 V 5.989 H 5.821 V 5.755 L 6.389,5.671 7.998,3.546 6.582,1.458 
6.003,1.328 V 1.093 H 8.222 V 1.328 L 7.571,1.468 8.514,2.874 9.597,1.458 
8.925,1.328 V 1.093 H 10.69 V 1.328 L 10.12,1.437 8.748,3.218 10.36,5.645 Z"
-
-
- />
+     d="m 13.73255,12.64355 v 0.234 h -2.218 v -0.234 l 0.651,-0.12 
-1.13,-1.735 -1.323,1.745 0.672,0.11 v 0.234 h -1.761 v -0.234 l 0.568,-0.084 
1.609,-2.125 -1.416,-2.088 -0.579,-0.13 v -0.235 h 2.219 v 0.235 l -0.651,0.14 
0.943,1.406 1.083,-1.416 -0.672,-0.13 v -0.235 h 1.765 v 0.235 l -0.57,0.109 
-1.372,1.781 1.612,2.427 z"
+     id="path28"
+     inkscape:connector-curvature="0" />
   <path
- d="M 12.35,1.458 11.8,1.328 V 1.093 H 13.17 L 13.18,1.38 Q 13.4,1.192 
13.76,1.078 14.13,0.9629 14.51,0.9629 15.45,0.9629 15.96,1.614 16.48,2.265 
16.48,3.484 16.48,4.729 15.91,5.411 15.36,6.093 14.3,6.093 13.71,6.093 
13.18,5.979 13.21,6.354 13.21,6.567 V 7.89 L 14.07,8.015 V 8.26 H 11.73 V 8.015 
L 12.35,7.89 Z M 15.54,3.484 Q 15.54,2.484 15.21,1.999 14.89,1.51 14.23,1.51 
13.62,1.51 13.21,1.682 V 5.593 Q 13.68,5.682 14.23,5.682 15.54,5.682 
15.54,3.484 Z" />
-</svg>
\ No newline at end of file
+     d="m 15.15255,8.34655 -0.55,-0.13 v -0.235 h 1.37 l 0.01,0.287 q 
0.22,-0.188 0.58,-0.302 0.37,-0.1151 0.75,-0.1151 0.94,0 1.45,0.6511 0.52,0.651 
0.52,1.87 0,1.245 -0.57,1.927 -0.55,0.682 -1.61,0.682 -0.59,0 -1.12,-0.114 
0.03,0.375 0.03,0.588 v 1.323 l 0.86,0.125 v 0.245 h -2.34 v -0.245 l 
0.62,-0.125 z m 3.19,2.026 q 0,-1 -0.33,-1.485 -0.32,-0.489 -0.98,-0.489 
-0.61,0 -1.02,0.172 v 3.911 q 0.47,0.089 1.02,0.089 1.31,0 1.31,-2.198 z"
+     id="path30"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21508.svg 
b/source/media/helpimg/starmath/fu21508.svg
index 871993464..32eb84db3 100644
--- a/source/media/helpimg/starmath/fu21508.svg
+++ b/source/media/helpimg/starmath/fu21508.svg
@@ -1,13 +1,66 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg46"
+   sodipodi:docname="fu21508.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata52">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs50" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview48"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.45861"
+     inkscape:cy="-39.32"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg46" />
   <path
- d="M 2.86,8.01 3.699,8.141 V 8.375 H 1.162 V 8.141 L 1.995,8.01 V 1.333 L 
1.162,1.208 V 0.9739 H 2.86 Z" />
+     d="m 6.294,13.68305 0.839,0.131 v 0.234 H 4.596 v -0.234 l 0.833,-0.131 v 
-6.677 l -0.833,-0.125 v -0.2341 h 1.698 z"
+     id="path40"
+     inkscape:connector-curvature="0" />
   <path
- d="M 9.134,5.901 Q 9.134,8.479 6.842,8.479 5.738,8.479 5.176,7.818 
4.613,7.156 4.613,5.901 4.613,4.661 5.176,4.005 5.738,3.349 6.884,3.349 
7.999,3.349 8.566,3.995 9.134,4.635 9.134,5.901 Z M 8.197,5.901 Q 8.197,4.776 
7.868,4.271 7.54,3.766 6.842,3.766 6.16,3.766 5.853,4.25 5.551,4.734 
5.551,5.901 5.551,7.083 5.858,7.578 6.17,8.068 6.842,8.068 7.53,8.068 
7.863,7.557 8.197,7.047 8.197,5.901 Z" />
+     d="m 12.568,11.57405 q 0,2.578 -2.292,2.578 -1.104,0 -1.666,-0.661 
-0.563,-0.662 -0.563,-1.917 0,-1.24 0.563,-1.896 0.562,-0.656 1.708,-0.656 
1.115,0 1.682,0.646 0.568,0.64 0.568,1.906 z m -0.937,0 q 0,-1.125 -0.329,-1.63 
-0.328,-0.505 -1.026,-0.505 -0.682,0 -0.989,0.484 -0.302,0.484 -0.302,1.651 
0,1.182 0.307,1.677 0.312,0.49 0.984,0.49 0.688,0 1.021,-0.511 0.334,-0.51 
0.334,-1.656 z"
+     id="path42"
+     inkscape:connector-curvature="0" />
   <path
- d="M 14.37,5.026 Q 14.37,5.87 13.87,6.302 13.36,6.734 12.41,6.734 11.99,6.734 
11.62,6.656 L 11.29,7.339 Q 11.31,7.427 11.5,7.505 11.68,7.583 11.97,7.583 H 
13.41 Q 14.2,7.583 14.59,7.927 14.97,8.271 14.97,8.875 14.97,9.422 14.66,9.828 
14.36,10.23 13.77,10.45 13.18,10.68 12.35,10.68 11.35,10.68 10.82,10.37 
10.3,10.06 10.3,9.495 10.3,9.219 10.49,8.948 10.67,8.682 11.17,8.323 
10.88,8.224 10.67,7.984 10.47,7.745 10.47,7.469 L 11.29,6.542 Q 10.47,6.156 
10.47,5.026 10.47,4.224 10.98,3.786 11.49,3.349 12.45,3.349 12.65,3.349 
12.95,3.391 13.25,3.427 13.41,3.479 L 14.56,2.901 14.75,3.125 14.02,3.875 Q 
14.37,4.266 14.37,5.026 Z M 14.16,9.036 Q 14.16,8.74 13.98,8.573 13.79,8.406 
13.42,8.406 H 11.53 Q 11.31,8.594 11.17,8.88 11.03,9.172 11.03,9.422 11.03,9.87 
11.36,10.06 11.68,10.26 12.35,10.26 13.22,10.26 13.68,9.938 14.16,9.615 
14.16,9.036 Z M 12.42,6.339 Q 12.99,6.339 13.23,6.016 13.47,5.687 13.47,5.026 
13.47,4.333 13.22,4.042 12.98,3.745 12.43,3.745 11.89,3.745 11.63,4.042 
11.38,4.339 11.38,
 5.026 11.38,5.714 11.63,6.026 11.88,6.339 12.42,6.339 Z"
-
-
-
- />
-</svg>
\ No newline at end of file
+     d="m 17.804,10.69905 q 0,0.844 -0.5,1.276 -0.51,0.432 -1.46,0.432 -0.42,0 
-0.79,-0.078 l -0.33,0.683 q 0.02,0.088 0.21,0.166 0.18,0.078 0.47,0.078 h 1.44 
q 0.79,0 1.18,0.344 0.38,0.344 0.38,0.948 0,0.547 -0.31,0.953 -0.3,0.402 
-0.89,0.622 -0.59,0.23 -1.42,0.23 -1,0 -1.53,-0.31 -0.52,-0.31 -0.52,-0.875 
0,-0.276 0.19,-0.547 0.18,-0.266 0.68,-0.625 -0.29,-0.099 -0.5,-0.339 
-0.2,-0.239 -0.2,-0.515 l 0.82,-0.927 q -0.82,-0.386 -0.82,-1.516 0,-0.802 
0.51,-1.24 0.51,-0.437 1.47,-0.437 0.2,0 0.5,0.042 0.3,0.036 0.46,0.088 l 
1.15,-0.578 0.19,0.224 -0.73,0.75 q 0.35,0.391 0.35,1.151 z m -0.21,4.01 q 
0,-0.296 -0.18,-0.463 -0.19,-0.167 -0.56,-0.167 h -1.89 q -0.22,0.188 
-0.36,0.474 -0.14,0.292 -0.14,0.542 0,0.448 0.33,0.638 0.32,0.2 0.99,0.2 0.87,0 
1.33,-0.322 0.48,-0.323 0.48,-0.902 z m -1.74,-2.697 q 0.57,0 0.81,-0.323 
0.24,-0.329 0.24,-0.99 0,-0.693 -0.25,-0.984 -0.24,-0.297 -0.79,-0.297 -0.54,0 
-0.8,0.297 -0.25,0.297 -0.25,0.984 0,0.688 0.25,1 0.25,0.313 0.79,0.313 z"
+     id="path44"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21509.svg 
b/source/media/helpimg/starmath/fu21509.svg
index 684b9712b..c8852ea95 100644
--- a/source/media/helpimg/starmath/fu21509.svg
+++ b/source/media/helpimg/starmath/fu21509.svg
@@ -1,10 +1,66 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg60"
+   sodipodi:docname="fu21509.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata66">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs64" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview62"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.63561"
+     inkscape:cy="-40.939"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg60" />
   <path
- d="M 5.084,7.397 Q 5.084,8.217 4.562,8.639 4.047,9.061 3.033,9.061 
2.623,9.061 2.125,8.973 1.632,8.891 1.351,8.786 V 7.432 H 1.615 L 1.902,8.2 Q 
2.341,8.598 3.045,8.598 4.181,8.598 4.181,7.626 4.181,6.911 3.285,6.606 L 
2.763,6.436 Q 2.172,6.243 1.902,6.044 1.632,5.844 1.486,5.557 1.339,5.264 
1.339,4.854 1.339,4.128 1.832,3.712 2.33,3.29 3.173,3.29 3.777,3.29 4.685,3.471 
V 4.673 H 4.41 L 4.164,4.034 Q 3.853,3.758 3.185,3.758 2.711,3.758 2.459,3.993 
2.213,4.227 2.213,4.626 2.213,4.96 2.435,5.188 2.664,5.417 3.121,5.569 
3.982,5.862 4.246,5.997 4.509,6.132 4.691,6.331 4.879,6.524 4.978,6.776 
5.084,7.028 5.084,7.397 Z" />
+     d="m 9.0845,13.86715 q 0,0.82 -0.522,1.242 -0.515,0.422 -1.529,0.422 
-0.41,0 -0.908,-0.088 -0.493,-0.082 -0.774,-0.187 v -1.354 h 0.264 l 
0.287,0.768 q 0.439,0.398 1.143,0.398 1.136,0 1.136,-0.972 0,-0.715 
-0.896,-1.02 l -0.522,-0.17 q -0.591,-0.193 -0.861,-0.392 -0.27,-0.2 
-0.416,-0.487 -0.147,-0.293 -0.147,-0.703 0,-0.726 0.493,-1.142 0.498,-0.422 
1.341,-0.422 0.604,0 1.512,0.181 v 1.202 h -0.275 l -0.246,-0.639 q 
-0.311,-0.276 -0.979,-0.276 -0.474,0 -0.726,0.235 -0.246,0.234 -0.246,0.633 
0,0.334 0.222,0.562 0.229,0.229 0.686,0.381 0.861,0.293 1.125,0.428 0.263,0.135 
0.445,0.334 0.188,0.193 0.287,0.445 0.106,0.252 0.106,0.621 z"
+     id="path54"
+     inkscape:connector-curvature="0" />
   <path
- d="M 7.232,1.637 Q 7.232,1.895 7.045,2.083 6.857,2.27 6.593,2.27 6.336,2.27 
6.148,2.083 5.961,1.895 5.961,1.637 5.961,1.374 6.148,1.186 6.336,0.9987 
6.593,0.9987 6.857,0.9987 7.045,1.186 7.232,1.374 7.232,1.637 Z M 7.173,8.534 
8.117,8.68 V 8.944 H 5.263 V 8.68 L 6.201,8.534 V 3.846 L 5.422,3.7 V 3.436 H 
7.173 Z" />
+     d="m 11.2325,8.10715 q 0,0.258 -0.187,0.446 -0.188,0.187 -0.452,0.187 
-0.257,0 -0.445,-0.187 -0.187,-0.188 -0.187,-0.446 0,-0.263 0.187,-0.451 
0.188,-0.1873 0.445,-0.1873 0.264,0 0.452,0.1873 0.187,0.188 0.187,0.451 z m 
-0.059,6.897 0.944,0.146 v 0.264 h -2.854 v -0.264 l 0.938,-0.146 v -4.688 l 
-0.779,-0.146 v -0.264 h 1.751 z"
+     id="path56"
+     inkscape:connector-curvature="0" />
   <path
- d="M 9.738,3.882 Q 10.19,3.624 10.7,3.46 11.21,3.29 11.55,3.29 12.26,3.29 
12.63,3.706 12.99,4.122 12.99,4.913 V 8.534 L 13.66,8.68 V 8.944 H 11.28 V 8.68 
L 12.02,8.534 V 5.018 Q 12.02,4.532 11.78,4.257 11.54,3.975 11.04,3.975 
10.52,3.975 9.75,4.145 V 8.534 L 10.49,8.68 V 8.944 H 8.115 V 8.68 L 
8.777,8.534 V 3.846 L 8.115,3.7 V 3.436 H 9.685 Z"
- />
-</svg>
\ No newline at end of file
+     d="m 13.7385,10.35215 q 0.452,-0.258 0.962,-0.422 0.51,-0.17 0.85,-0.17 
0.71,0 1.08,0.416 0.36,0.416 0.36,1.207 v 3.621 l 0.67,0.146 v 0.264 h -2.38 v 
-0.264 l 0.74,-0.146 v -3.516 q 0,-0.486 -0.24,-0.761 -0.24,-0.282 -0.74,-0.282 
-0.52,0 -1.29,0.17 v 4.389 l 0.74,0.146 v 0.264 h -2.375 v -0.264 l 
0.662,-0.146 v -4.688 l -0.662,-0.146 v -0.264 h 1.57 z"
+     id="path58"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21510.svg 
b/source/media/helpimg/starmath/fu21510.svg
index f9b27becd..efb7d3640 100644
--- a/source/media/helpimg/starmath/fu21510.svg
+++ b/source/media/helpimg/starmath/fu21510.svg
@@ -1,11 +1,66 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg8"
+   sodipodi:docname="fu21510.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata14">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs12" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview10"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.50161"
+     inkscape:cy="-43.044"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg8" />
   <path
- d="M 5.705,6.505 Q 5.418,6.716 4.914,6.839 4.41,6.956 3.883,6.956 1.205,6.956 
1.205,4.044 1.205,2.667 1.885,1.929 2.57,1.185 3.842,1.185 4.633,1.185 
5.57,1.366 V 2.902 H 5.248 L 4.996,1.929 Q 4.51,1.653 3.83,1.653 2.26,1.653 
2.26,4.044 2.26,5.286 2.735,5.819 3.215,6.347 4.217,6.347 5.072,6.347 
5.705,6.153 Z"
- />
+     d="m 8.9525,13.9345 q -0.287,0.211 -0.791,0.334 -0.504,0.117 -1.031,0.117 
-2.678,0 -2.678,-2.912 0,-1.377 0.68,-2.115 0.685,-0.744 1.957,-0.744 0.791,0 
1.728,0.181 v 1.536 h -0.322 l -0.252,-0.973 q -0.486,-0.276 -1.166,-0.276 
-1.57,0 -1.57,2.391 0,1.242 0.475,1.775 0.48,0.528 1.482,0.528 0.855,0 
1.488,-0.194 z"
+     id="path2"
+     inkscape:connector-curvature="0" />
   <path
- d="M 11.11,4.056 Q 11.11,6.956 8.533,6.956 7.291,6.956 6.658,6.212 
6.026,5.468 6.026,4.056 6.026,2.661 6.658,1.923 7.291,1.185 8.58,1.185 
9.834,1.185 10.47,1.911 11.11,2.632 11.11,4.056 Z M 10.06,4.056 Q 10.06,2.79 
9.688,2.222 9.319,1.653 8.533,1.653 7.766,1.653 7.42,2.198 7.08,2.743 
7.08,4.056 7.08,5.386 7.426,5.943 7.777,6.493 8.533,6.493 9.307,6.493 
9.682,5.919 10.06,5.345 10.06,4.056 Z"
- />
+     d="m 14.3575,11.4855 q 0,2.9 -2.577,2.9 -1.242,0 -1.875,-0.744 
-0.632,-0.744 -0.632,-2.156 0,-1.395 0.632,-2.133 0.633,-0.738 1.922,-0.738 
1.254,0 1.89,0.726 0.64,0.721 0.64,2.145 z m -1.05,0 q 0,-1.266 -0.372,-1.834 
-0.369,-0.569 -1.155,-0.569 -0.767,0 -1.113,0.545 -0.34,0.545 -0.34,1.858 
0,1.33 0.346,1.887 0.351,0.55 1.107,0.55 0.774,0 1.149,-0.574 0.378,-0.574 
0.378,-1.863 z"
+     id="path4"
+     inkscape:connector-curvature="0" />
   <path
- d="M 15.3,5.292 Q 15.3,6.112 14.78,6.534 14.27,6.956 13.25,6.956 12.84,6.956 
12.35,6.868 11.85,6.786 11.57,6.681 V 5.327 H 11.84 L 12.12,6.095 Q 12.56,6.493 
13.27,6.493 14.4,6.493 14.4,5.521 14.4,4.806 13.51,4.501 L 12.98,4.331 Q 
12.39,4.138 12.12,3.939 11.85,3.739 11.71,3.452 11.56,3.159 11.56,2.749 
11.56,2.023 12.05,1.607 12.55,1.185 13.39,1.185 14,1.185 14.91,1.366 V 2.568 H 
14.63 L 14.38,1.929 Q 14.07,1.653 13.41,1.653 12.93,1.653 12.68,1.888 
12.43,2.122 12.43,2.521 12.43,2.855 12.66,3.083 12.88,3.312 13.34,3.464 
14.2,3.757 14.47,3.892 14.73,4.027 14.91,4.226 15.1,4.419 15.2,4.671 15.3,4.923 
15.3,5.292 Z" />
-</svg>
\ No newline at end of file
+     d="m 18.5475,12.7215 q 0,0.82 -0.52,1.242 -0.51,0.422 -1.53,0.422 -0.41,0 
-0.9,-0.088 -0.5,-0.082 -0.78,-0.187 v -1.354 h 0.27 l 0.28,0.768 q 0.44,0.398 
1.15,0.398 1.13,0 1.13,-0.972 0,-0.715 -0.89,-1.02 l -0.53,-0.17 q -0.59,-0.193 
-0.86,-0.392 -0.27,-0.2 -0.41,-0.487 -0.15,-0.293 -0.15,-0.703 0,-0.726 
0.49,-1.142 0.5,-0.422 1.34,-0.422 0.61,0 1.52,0.181 v 1.202 h -0.28 l 
-0.25,-0.639 q -0.31,-0.276 -0.97,-0.276 -0.48,0 -0.73,0.235 -0.25,0.234 
-0.25,0.633 0,0.334 0.23,0.562 0.22,0.229 0.68,0.381 0.86,0.293 1.13,0.428 
0.26,0.135 0.44,0.334 0.19,0.193 0.29,0.445 0.1,0.252 0.1,0.621 z"
+     id="path6"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21511.svg 
b/source/media/helpimg/starmath/fu21511.svg
index 65540db29..580acfbff 100644
--- a/source/media/helpimg/starmath/fu21511.svg
+++ b/source/media/helpimg/starmath/fu21511.svg
@@ -1,12 +1,66 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg22"
+   sodipodi:docname="fu21511.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata28">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs26" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview24"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.42461"
+     inkscape:cy="-41.195"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg22" />
   <path
- d="M 3.173,8.805 Q 2.548,8.805 2.235,8.434 1.929,8.063 1.929,7.392 V 3.102 H 
1.128 V 2.809 L 1.942,2.555 2.6,1.169 H 3.01 V 2.555 H 4.41 V 3.102 H 3.01 V 
7.275 Q 3.01,7.698 3.199,7.913 3.394,8.128 3.706,8.128 4.084,8.128 4.624,8.024 
V 8.447 Q 4.397,8.603 3.967,8.701 3.537,8.805 3.173,8.805 Z" />
+     d="m 6.074,15.318 q -0.625,0 -0.938,-0.371 Q 4.83,14.576 4.83,13.905 V 
9.615 H 4.029 V 9.322 L 4.843,9.068 5.501,7.682 h 0.41 v 1.386 h 1.4 v 0.547 h 
-1.4 v 4.173 q 0,0.423 0.189,0.638 0.195,0.215 0.507,0.215 0.378,0 0.918,-0.104 
v 0.423 q -0.227,0.156 -0.657,0.254 -0.43,0.104 -0.794,0.104 z"
+     id="path16"
+     inkscape:connector-curvature="0" />
   <path
- d="M 7.223,2.419 Q 8.226,2.419 8.695,2.829 9.17,3.239 9.17,4.085 V 8.219 L 
9.932,8.382 V 8.675 H 8.252 L 8.128,8.063 Q 7.386,8.805 6.234,8.805 4.665,8.805 
4.665,6.982 4.665,6.37 4.899,5.973 5.14,5.57 5.661,5.361 6.182,5.146 
7.171,5.127 L 8.089,5.101 V 4.144 Q 8.089,3.512 7.855,3.213 7.627,2.913 
7.145,2.913 6.494,2.913 5.954,3.219 L 5.732,3.981 H 5.368 V 2.646 Q 6.423,2.419 
7.223,2.419 Z M 8.089,5.557 7.236,5.583 Q 6.364,5.615 6.051,5.921 5.745,6.227 
5.745,6.943 5.745,8.089 6.676,8.089 7.119,8.089 7.438,7.991 7.764,7.887 
8.089,7.731 Z"
-
- />
+     d="m 10.124,8.932 q 1.003,0 1.472,0.41 0.475,0.41 0.475,1.256 v 4.134 l 
0.762,0.163 v 0.293 h -1.68 l -0.124,-0.612 q -0.742,0.742 -1.894,0.742 
-1.569,0 -1.569,-1.823 0,-0.612 0.234,-1.009 0.241,-0.403 0.762,-0.612 
0.521,-0.215 1.51,-0.234 l 0.918,-0.026 v -0.957 q 0,-0.632 -0.234,-0.931 
-0.228,-0.3 -0.71,-0.3 -0.651,0 -1.191,0.306 L 8.633,10.494 H 8.269 V 9.159 Q 
9.324,8.932 10.124,8.932 Z m 0.866,3.138 -0.853,0.026 q -0.872,0.032 
-1.185,0.338 -0.306,0.306 -0.306,1.022 0,1.146 0.931,1.146 0.443,0 0.762,-0.098 
0.326,-0.104 0.651,-0.26 z"
+     id="path18"
+     inkscape:connector-curvature="0" />
   <path
- d="M 11.72,3.05 Q 12.22,2.764 12.78,2.581 13.35,2.392 13.73,2.392 14.52,2.392 
14.93,2.855 15.33,3.317 15.33,4.196 V 8.219 L 16.07,8.382 V 8.675 H 13.44 V 
8.382 L 14.25,8.219 V 4.313 Q 14.25,3.773 13.98,3.467 13.72,3.154 13.17,3.154 
12.58,3.154 11.73,3.343 V 8.219 L 12.56,8.382 V 8.675 H 9.913 V 8.382 L 
10.65,8.219 V 3.011 L 9.913,2.848 V 2.555 H 11.66 Z"
- />
-</svg>
\ No newline at end of file
+     d="m 14.621,9.563 q 0.5,-0.286 1.06,-0.469 0.57,-0.189 0.95,-0.189 0.79,0 
1.2,0.463 0.4,0.462 0.4,1.341 v 4.023 l 0.74,0.163 v 0.293 h -2.63 v -0.293 l 
0.81,-0.163 v -3.906 q 0,-0.54 -0.27,-0.846 -0.26,-0.313 -0.81,-0.313 -0.59,0 
-1.44,0.189 v 4.876 l 0.83,0.163 v 0.293 h -2.647 v -0.293 l 0.737,-0.163 V 
9.524 L 12.814,9.361 V 9.068 h 1.747 z"
+     id="path20"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21512.svg 
b/source/media/helpimg/starmath/fu21512.svg
index da5dccee2..7a0354630 100644
--- a/source/media/helpimg/starmath/fu21512.svg
+++ b/source/media/helpimg/starmath/fu21512.svg
@@ -1,13 +1,66 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg36"
+   sodipodi:docname="fu21512.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata42">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs40" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview38"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.30461"
+     inkscape:cy="-41.035"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg36" />
   <path
- d="M 6.007,8.464 Q 5.688,8.698 5.129,8.835 4.569,8.965 3.983,8.965 
1.008,8.965 1.008,5.73 1.008,4.2 1.763,3.379 2.524,2.552 3.937,2.552 
4.816,2.552 5.858,2.754 V 4.46 H 5.5 L 5.22,3.379 Q 4.679,3.073 3.924,3.073 
2.179,3.073 2.179,5.73 2.179,7.11 2.707,7.702 3.241,8.288 4.354,8.288 
5.304,8.288 6.007,8.073 Z"
- />
+     d="m 9.153,14.817 q -0.319,0.234 -0.878,0.371 -0.56,0.13 -1.146,0.13 
-2.975,0 -2.975,-3.235 0,-1.53 0.755,-2.351 0.761,-0.827 2.174,-0.827 0.879,0 
1.921,0.202 v 1.706 H 8.646 L 8.366,9.732 Q 7.825,9.426 7.07,9.426 q -1.745,0 
-1.745,2.657 0,1.38 0.528,1.972 0.534,0.586 1.647,0.586 0.95,0 1.653,-0.215 z"
+     id="path30"
+     inkscape:connector-curvature="0" />
   <path
- d="M 12.07,5.743 Q 12.07,8.965 9.205,8.965 7.825,8.965 7.122,8.138 
6.419,7.312 6.419,5.743 6.419,4.193 7.122,3.373 7.825,2.552 9.257,2.552 
10.65,2.552 11.36,3.36 12.07,4.161 12.07,5.743 Z M 10.9,5.743 Q 10.9,4.336 
10.49,3.705 10.08,3.073 9.205,3.073 8.353,3.073 7.968,3.679 7.591,4.284 
7.591,5.743 7.591,7.22 7.975,7.839 8.366,8.451 9.205,8.451 10.06,8.451 
10.48,7.813 10.9,7.175 10.9,5.743 Z"
- />
+     d="m 15.216,12.096 q 0,3.222 -2.865,3.222 -1.38,0 -2.083,-0.827 
-0.703,-0.826 -0.703,-2.395 0,-1.55 0.703,-2.37 0.703,-0.821 2.135,-0.821 
1.393,0 2.103,0.808 0.71,0.801 0.71,2.383 z m -1.17,0 q 0,-1.407 -0.41,-2.038 
-0.41,-0.632 -1.285,-0.632 -0.852,0 -1.237,0.606 -0.377,0.605 -0.377,2.064 
0,1.477 0.384,2.096 0.391,0.612 1.23,0.612 0.855,0 1.275,-0.638 0.42,-0.638 
0.42,-2.07 z"
+     id="path32"
+     inkscape:connector-curvature="0" />
   <path
- d="M 14.25,8.965 Q 13.63,8.965 13.31,8.594 13.01,8.223 13.01,7.552 V 3.262 H 
12.21 V 2.969 L 13.02,2.715 13.68,1.329 H 14.09 V 2.715 H 15.49 V 3.262 H 14.09 
V 7.435 Q 14.09,7.858 14.28,8.073 14.47,8.288 14.79,8.288 15.16,8.288 
15.7,8.184 V 8.607 Q 15.48,8.763 15.05,8.861 14.62,8.965 14.25,8.965 Z"
-
- />
-</svg>
\ No newline at end of file
+     d="m 17.396,15.318 q -0.62,0 -0.94,-0.371 -0.3,-0.371 -0.3,-1.042 v -4.29 
h -0.8 V 9.322 l 0.81,-0.254 0.66,-1.386 h 0.41 v 1.386 h 1.4 v 0.547 h -1.4 v 
4.173 q 0,0.423 0.19,0.638 0.19,0.215 0.51,0.215 0.37,0 0.91,-0.104 v 0.423 q 
-0.22,0.156 -0.65,0.254 -0.43,0.104 -0.8,0.104 z"
+     id="path34"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21513.svg 
b/source/media/helpimg/starmath/fu21513.svg
index 76f929b83..8fb7bac75 100644
--- a/source/media/helpimg/starmath/fu21513.svg
+++ b/source/media/helpimg/starmath/fu21513.svg
@@ -1,13 +1,70 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg52"
+   sodipodi:docname="fu21513.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata58">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs56" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview54"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.63561"
+     inkscape:cy="-40.939"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg52" />
   <path
- d="M 5.084,7.397 Q 5.084,8.217 4.562,8.639 4.047,9.061 3.033,9.061 
2.623,9.061 2.125,8.973 1.632,8.891 1.351,8.786 V 7.432 H 1.615 L 1.902,8.2 Q 
2.341,8.598 3.045,8.598 4.181,8.598 4.181,7.626 4.181,6.911 3.285,6.606 L 
2.763,6.436 Q 2.172,6.243 1.902,6.044 1.632,5.844 1.486,5.557 1.339,5.264 
1.339,4.854 1.339,4.128 1.832,3.712 2.33,3.29 3.173,3.29 3.777,3.29 4.685,3.471 
V 4.673 H 4.41 L 4.164,4.034 Q 3.853,3.758 3.185,3.758 2.711,3.758 2.459,3.993 
2.213,4.227 2.213,4.626 2.213,4.96 2.435,5.188 2.664,5.417 3.121,5.569 
3.982,5.862 4.246,5.997 4.509,6.132 4.691,6.331 4.879,6.524 4.978,6.776 
5.084,7.028 5.084,7.397 Z" />
+     d="m 6.6045,13.86715 q 0,0.82 -0.522,1.242 -0.515,0.422 -1.529,0.422 
-0.41,0 -0.908,-0.088 -0.493,-0.082 -0.774,-0.187 v -1.354 h 0.264 l 
0.287,0.768 q 0.439,0.398 1.143,0.398 1.136,0 1.136,-0.972 0,-0.715 
-0.896,-1.02 l -0.522,-0.17 q -0.591,-0.193 -0.861,-0.392 -0.27,-0.2 
-0.416,-0.487 -0.147,-0.293 -0.147,-0.703 0,-0.726 0.493,-1.142 0.498,-0.422 
1.341,-0.422 0.604,0 1.512,0.181 v 1.202 h -0.275 l -0.246,-0.639 q 
-0.311,-0.276 -0.979,-0.276 -0.474,0 -0.726,0.235 -0.246,0.234 -0.246,0.633 
0,0.334 0.222,0.562 0.229,0.229 0.686,0.381 0.861,0.293 1.125,0.428 0.263,0.135 
0.445,0.334 0.188,0.193 0.287,0.445 0.106,0.252 0.106,0.621 z"
+     id="path44"
+     inkscape:connector-curvature="0" />
   <path
- d="M 7.232,1.637 Q 7.232,1.895 7.045,2.083 6.857,2.27 6.593,2.27 6.336,2.27 
6.148,2.083 5.961,1.895 5.961,1.637 5.961,1.374 6.148,1.186 6.336,0.9987 
6.593,0.9987 6.857,0.9987 7.045,1.186 7.232,1.374 7.232,1.637 Z M 7.173,8.534 
8.117,8.68 V 8.944 H 5.263 V 8.68 L 6.201,8.534 V 3.846 L 5.422,3.7 V 3.436 H 
7.173 Z" />
+     d="m 8.7525,8.10715 q 0,0.258 -0.187,0.446 -0.188,0.187 -0.452,0.187 
-0.257,0 -0.445,-0.187 -0.187,-0.188 -0.187,-0.446 0,-0.263 0.187,-0.451 
0.188,-0.1873 0.445,-0.1873 0.264,0 0.452,0.1873 0.187,0.188 0.187,0.451 z m 
-0.059,6.897 0.944,0.146 v 0.264 h -2.854 v -0.264 l 0.938,-0.146 v -4.688 l 
-0.779,-0.146 v -0.264 h 1.751 z"
+     id="path46"
+     inkscape:connector-curvature="0" />
   <path
- d="M 9.738,3.882 Q 10.19,3.624 10.7,3.46 11.21,3.29 11.55,3.29 12.26,3.29 
12.63,3.706 12.99,4.122 12.99,4.913 V 8.534 L 13.66,8.68 V 8.944 H 11.28 V 8.68 
L 12.02,8.534 V 5.018 Q 12.02,4.532 11.78,4.257 11.54,3.975 11.04,3.975 
10.52,3.975 9.75,4.145 V 8.534 L 10.49,8.68 V 8.944 H 8.115 V 8.68 L 
8.777,8.534 V 3.846 L 8.115,3.7 V 3.436 H 9.685 Z"
- />
+     d="m 11.2585,10.35215 q 0.452,-0.258 0.962,-0.422 0.51,-0.17 0.85,-0.17 
0.71,0 1.08,0.416 0.36,0.416 0.36,1.207 v 3.621 l 0.67,0.146 v 0.264 h -2.38 v 
-0.264 l 0.74,-0.146 v -3.516 q 0,-0.486 -0.24,-0.761 -0.24,-0.282 -0.74,-0.282 
-0.52,0 -1.29,0.17 v 4.389 l 0.74,0.146 v 0.264 h -2.375 v -0.264 l 
0.662,-0.146 v -4.688 l -0.662,-0.146 v -0.264 h 1.57 z"
+     id="path48"
+     inkscape:connector-curvature="0" />
   <path
- d="M 15.13,3.659 Q 15.13,4.2 15.09,4.44 15.47,4.226 15.94,4.07 16.42,3.914 
16.75,3.914 17.38,3.914 17.71,4.284 18.03,4.654 18.03,5.357 V 8.575 L 
18.62,8.706 V 8.94 H 16.51 V 8.706 L 17.16,8.575 V 5.419 Q 17.16,4.523 
16.3,4.523 15.81,4.523 15.13,4.674 V 8.575 L 15.79,8.706 V 8.94 H 13.64 V 8.706 
L 14.26,8.575 V 1.898 L 13.53,1.773 V 1.539 H 15.13 Z"
- />
-</svg>
\ No newline at end of file
+     d="m 16.6505,10.12915 q 0,0.541 -0.04,0.781 0.38,-0.214 0.85,-0.37 
0.48,-0.156 0.81,-0.156 0.63,0 0.96,0.37 0.32,0.37 0.32,1.073 v 3.218 l 
0.59,0.131 v 0.234 h -2.11 v -0.234 l 0.65,-0.131 v -3.156 q 0,-0.896 
-0.86,-0.896 -0.49,0 -1.17,0.151 v 3.901 l 0.66,0.131 v 0.234 h -2.15 v -0.234 
l 0.62,-0.131 v -6.677 l -0.73,-0.125 v -0.234 h 1.6 z"
+     id="path50"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21514.svg 
b/source/media/helpimg/starmath/fu21514.svg
index 259edd5bc..2682a6e00 100644
--- a/source/media/helpimg/starmath/fu21514.svg
+++ b/source/media/helpimg/starmath/fu21514.svg
@@ -1,16 +1,70 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg68"
+   sodipodi:docname="fu21514.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata74">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs72" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview70"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.40361"
+     inkscape:cy="-40.25"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg68" />
   <path
- d="M 5.607,9.299 Q 5.319,9.51 4.816,9.633 4.312,9.75 3.784,9.75 1.107,9.75 
1.107,6.838 1.107,5.461 1.786,4.723 2.472,3.979 3.743,3.979 4.534,3.979 
5.472,4.16 V 5.696 H 5.15 L 4.898,4.723 Q 4.411,4.447 3.732,4.447 2.161,4.447 
2.161,6.838 2.161,8.08 2.636,8.613 3.116,9.141 4.118,9.141 4.974,9.141 
5.607,8.947 Z"
- />
+     d="m 6.0635,15.2705 q -0.288,0.211 -0.791,0.334 -0.504,0.117 -1.032,0.117 
-2.677,0 -2.677,-2.912 0,-1.377 0.679,-2.115 0.686,-0.744 1.957,-0.744 0.791,0 
1.729,0.181 v 1.536 h -0.322 l -0.252,-0.973 q -0.487,-0.276 -1.166,-0.276 
-1.571,0 -1.571,2.391 0,1.242 0.475,1.775 0.48,0.528 1.482,0.528 0.856,0 
1.489,-0.194 z"
+     id="path60"
+     inkscape:connector-curvature="0" />
   <path
- d="M 11.01,6.85 Q 11.01,9.75 8.435,9.75 7.192,9.75 6.56,9.006 5.927,8.262 
5.927,6.85 5.927,5.455 6.56,4.717 7.192,3.979 8.482,3.979 9.735,3.979 
10.37,4.705 11.01,5.426 11.01,6.85 Z M 9.958,6.85 Q 9.958,5.584 9.589,5.016 
9.22,4.447 8.435,4.447 7.667,4.447 7.321,4.992 6.982,5.537 6.982,6.85 
6.982,8.18 7.327,8.737 7.679,9.287 8.435,9.287 9.208,9.287 9.583,8.713 
9.958,8.139 9.958,6.85 Z"
- />
+     d="m 11.4665,12.8215 q 0,2.9 -2.575,2.9 -1.243,0 -1.875,-0.744 
-0.633,-0.744 -0.633,-2.156 0,-1.395 0.633,-2.133 0.632,-0.738 1.922,-0.738 
1.253,0 1.888,0.726 0.64,0.721 0.64,2.145 z m -1.052,0 q 0,-1.266 -0.369,-1.834 
-0.369,-0.569 -1.154,-0.569 -0.768,0 -1.114,0.545 -0.339,0.545 -0.339,1.858 
0,1.33 0.345,1.887 0.352,0.55 1.108,0.55 0.773,0 1.148,-0.574 0.375,-0.574 
0.375,-1.863 z"
+     id="path62"
+     inkscape:connector-curvature="0" />
   <path
- d="M 15.21,8.086 Q 15.21,8.906 14.68,9.328 14.17,9.75 13.16,9.75 12.75,9.75 
12.25,9.662 11.75,9.58 11.47,9.475 V 8.121 H 11.74 L 12.02,8.889 Q 12.46,9.287 
13.17,9.287 14.3,9.287 14.3,8.315 14.3,7.6 13.41,7.295 L 12.89,7.125 Q 
12.29,6.932 12.02,6.733 11.75,6.533 11.61,6.246 11.46,5.953 11.46,5.543 
11.46,4.817 11.95,4.401 12.45,3.979 13.3,3.979 13.9,3.979 14.81,4.16 V 5.362 H 
14.53 L 14.29,4.723 Q 13.98,4.447 13.31,4.447 12.83,4.447 12.58,4.682 
12.34,4.916 12.34,5.315 12.34,5.649 12.56,5.877 12.79,6.106 13.24,6.258 
14.1,6.551 14.37,6.686 14.63,6.821 14.81,7.02 15,7.213 15.1,7.465 15.21,7.717 
15.21,8.086 Z"
-
- />
+     d="m 15.6665,14.0575 q 0,0.82 -0.53,1.242 -0.51,0.422 -1.52,0.422 -0.41,0 
-0.91,-0.088 -0.5,-0.082 -0.78,-0.187 v -1.354 h 0.27 l 0.28,0.768 q 0.44,0.398 
1.15,0.398 1.13,0 1.13,-0.972 0,-0.715 -0.89,-1.02 l -0.52,-0.17 q -0.6,-0.193 
-0.87,-0.392 -0.27,-0.2 -0.41,-0.487 -0.15,-0.293 -0.15,-0.703 0,-0.726 
0.49,-1.142 0.5,-0.422 1.35,-0.422 0.6,0 1.51,0.181 v 1.202 h -0.28 l 
-0.24,-0.639 q -0.31,-0.276 -0.98,-0.276 -0.48,0 -0.73,0.235 -0.24,0.234 
-0.24,0.633 0,0.334 0.22,0.562 0.23,0.229 0.68,0.381 0.86,0.293 1.13,0.428 
0.26,0.135 0.44,0.334 0.19,0.193 0.29,0.445 0.11,0.252 0.11,0.621 z"
+     id="path64"
+     inkscape:connector-curvature="0" />
   <path
- d="M 17.04,3.692 Q 17.04,4.301 17,4.571 17.42,4.33 17.96,4.154 18.5,3.979 
18.87,3.979 19.58,3.979 19.94,4.395 20.31,4.811 20.31,5.602 V 9.223 L 
20.98,9.369 V 9.633 H 18.6 V 9.369 L 19.34,9.223 V 5.672 Q 19.34,4.664 
18.36,4.664 17.81,4.664 17.04,4.834 V 9.223 L 17.79,9.369 V 9.633 H 15.37 V 
9.369 L 16.07,9.223 V 1.711 L 15.25,1.571 V 1.307 H 17.04 Z"
- />
-</svg>
\ No newline at end of file
+     d="m 17.4965,9.6635 q 0,0.609 -0.04,0.879 0.42,-0.241 0.96,-0.417 
0.54,-0.175 0.91,-0.175 0.71,0 1.07,0.416 0.37,0.416 0.37,1.207 v 3.621 l 
0.67,0.146 v 0.264 h -2.38 v -0.264 l 0.74,-0.146 v -3.551 q 0,-1.008 
-0.98,-1.008 -0.55,0 -1.32,0.17 v 4.389 l 0.75,0.146 v 0.264 h -2.42 v -0.264 l 
0.7,-0.146 v -7.512 l -0.82,-0.14 v -0.264 h 1.79 z"
+     id="path66"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21515.svg 
b/source/media/helpimg/starmath/fu21515.svg
index daa30fd09..c70eaeecf 100644
--- a/source/media/helpimg/starmath/fu21515.svg
+++ b/source/media/helpimg/starmath/fu21515.svg
@@ -1,17 +1,70 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg84"
+   sodipodi:docname="fu21515.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata90">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs88" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview86"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.21241"
+     inkscape:cy="-40.45"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg84" />
   <path
- d="M 2.756,9.55 Q 2.193,9.55 1.912,9.216 1.636,8.882 1.636,8.279 V 4.417 H 
0.9158 V 4.154 L 1.648,3.925 2.24,2.677 H 2.609 V 3.925 H 3.869 V 4.417 H 2.609 
V 8.173 Q 2.609,8.554 2.779,8.747 2.955,8.941 3.236,8.941 3.576,8.941 
4.062,8.847 V 9.228 Q 3.857,9.369 3.47,9.456 3.084,9.55 2.756,9.55 Z"
- />
+     d="m 3.9031,15.7215 q -0.563,0 -0.844,-0.334 -0.276,-0.334 -0.276,-0.937 
v -3.862 H 2.0629 v -0.263 l 0.7322,-0.229 0.592,-1.248 h 0.369 v 1.248 h 1.26 
v 0.492 h -1.26 v 3.756 q 0,0.381 0.17,0.574 0.176,0.194 0.457,0.194 0.34,0 
0.826,-0.094 v 0.381 q -0.205,0.141 -0.592,0.228 -0.386,0.094 -0.714,0.094 z"
+     id="path76"
+     inkscape:connector-curvature="0" />
   <path
- d="M 6.351,3.802 Q 7.254,3.802 7.676,4.171 8.103,4.54 8.103,5.302 V 9.023 L 
8.789,9.169 V 9.433 H 7.277 L 7.166,8.882 Q 6.498,9.55 5.461,9.55 4.049,9.55 
4.049,7.91 4.049,7.359 4.26,7.001 4.476,6.638 4.945,6.451 5.414,6.257 
6.304,6.24 L 7.131,6.216 V 5.355 Q 7.131,4.787 6.92,4.517 6.715,4.247 
6.281,4.247 5.695,4.247 5.209,4.523 L 5.01,5.208 H 4.681 V 4.007 Q 5.631,3.802 
6.351,3.802 Z M 7.131,6.626 6.363,6.65 Q 5.578,6.679 5.297,6.954 5.021,7.23 
5.021,7.874 5.021,8.906 5.859,8.906 6.258,8.906 6.545,8.818 6.838,8.724 
7.131,8.583 Z"
-
- />
+     d="m 7.4981,9.9735 q 0.903,0 1.325,0.369 0.427,0.369 0.427,1.131 v 3.721 
l 0.686,0.146 v 0.264 h -1.512 l -0.111,-0.551 q -0.668,0.668 -1.705,0.668 
-1.412,0 -1.412,-1.64 0,-0.551 0.211,-0.909 0.216,-0.363 0.685,-0.55 
0.469,-0.194 1.359,-0.211 l 0.827,-0.024 v -0.861 q 0,-0.568 -0.211,-0.838 
-0.205,-0.27 -0.639,-0.27 -0.586,0 -1.072,0.276 l -0.199,0.685 h -0.329 v 
-1.201 q 0.95,-0.205 1.67,-0.205 z m 0.78,2.824 -0.768,0.024 q -0.785,0.029 
-1.066,0.304 -0.276,0.276 -0.276,0.92 0,1.032 0.838,1.032 0.399,0 0.686,-0.088 
0.293,-0.094 0.586,-0.235 z"
+     id="path78"
+     inkscape:connector-curvature="0" />
   <path
- d="M 10.35,4.37 Q 10.8,4.113 11.31,3.949 11.82,3.779 12.16,3.779 12.87,3.779 
13.23,4.195 13.6,4.611 13.6,5.402 V 9.023 L 14.27,9.169 V 9.433 H 11.89 V 9.169 
L 12.62,9.023 V 5.507 Q 12.62,5.021 12.38,4.745 12.15,4.464 11.65,4.464 
11.12,4.464 10.36,4.634 V 9.023 L 11.1,9.169 V 9.433 H 8.722 V 9.169 L 
9.385,9.023 V 4.335 L 8.722,4.189 V 3.925 H 10.29 Z"
-
- />
+     d="m 11.4971,10.5415 q 0.45,-0.257 0.96,-0.421 0.51,-0.17 0.85,-0.17 
0.71,0 1.07,0.416 0.37,0.416 0.37,1.207 v 3.621 l 0.67,0.146 v 0.264 h -2.38 v 
-0.264 l 0.73,-0.146 v -3.516 q 0,-0.486 -0.24,-0.762 -0.23,-0.281 -0.73,-0.281 
-0.53,0 -1.29,0.17 v 4.389 l 0.74,0.146 v 0.264 h -2.378 v -0.264 l 
0.663,-0.146 v -4.688 l -0.663,-0.146 v -0.264 h 1.568 z"
+     id="path80"
+     inkscape:connector-curvature="0" />
   <path
- d="M 15.86,3.492 Q 15.86,4.101 15.82,4.37 16.24,4.13 16.77,3.954 17.31,3.779 
17.68,3.779 18.39,3.779 18.76,4.195 19.12,4.611 19.12,5.402 V 9.023 L 
19.79,9.169 V 9.433 H 17.42 V 9.169 L 18.15,9.023 V 5.472 Q 18.15,4.464 
17.18,4.464 16.62,4.464 15.86,4.634 V 9.023 L 16.6,9.169 V 9.433 H 14.19 V 
9.169 L 14.88,9.023 V 1.511 L 14.06,1.37 V 1.107 H 15.86 Z"
- />
-</svg>
\ No newline at end of file
+     d="m 17.0071,9.6635 q 0,0.609 -0.04,0.878 0.42,-0.24 0.95,-0.416 
0.54,-0.175 0.91,-0.175 0.71,0 1.08,0.416 0.36,0.416 0.36,1.207 v 3.621 l 
0.67,0.146 v 0.264 h -2.37 v -0.264 l 0.73,-0.146 v -3.551 q 0,-1.008 
-0.97,-1.008 -0.56,0 -1.32,0.17 v 4.389 l 0.74,0.146 v 0.264 h -2.41 v -0.264 l 
0.69,-0.146 v -7.512 l -0.82,-0.141 v -0.263 h 1.8 z"
+     id="path82"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21516.svg 
b/source/media/helpimg/starmath/fu21516.svg
index f54a0ff4a..51aac3ffb 100644
--- a/source/media/helpimg/starmath/fu21516.svg
+++ b/source/media/helpimg/starmath/fu21516.svg
@@ -1,17 +1,70 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg100"
+   sodipodi:docname="fu21516.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata106">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs104" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview102"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.33761"
+     inkscape:cy="-40.387"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg100" />
   <path
- d="M 5.541,9.162 Q 5.254,9.373 4.75,9.496 4.246,9.613 3.718,9.613 1.041,9.613 
1.041,6.701 1.041,5.324 1.72,4.586 2.406,3.842 3.677,3.842 4.468,3.842 
5.406,4.023 V 5.559 H 5.084 L 4.832,4.586 Q 4.345,4.31 3.666,4.31 2.095,4.31 
2.095,6.701 2.095,7.943 2.57,8.476 3.05,9.004 4.052,9.004 4.908,9.004 
5.541,8.81 Z"
- />
+     d="m 6.7355,15.2705 q -0.287,0.211 -0.791,0.334 -0.504,0.117 -1.032,0.117 
-2.677,0 -2.677,-2.912 0,-1.377 0.679,-2.115 0.686,-0.744 1.957,-0.744 0.791,0 
1.729,0.181 v 1.536 h -0.322 l -0.252,-0.973 q -0.487,-0.276 -1.166,-0.276 
-1.571,0 -1.571,2.391 0,1.242 0.475,1.775 0.48,0.528 1.482,0.528 0.856,0 
1.489,-0.194 z"
+     id="path92"
+     inkscape:connector-curvature="0" />
   <path
- d="M 10.95,6.713 Q 10.95,9.613 8.369,9.613 7.127,9.613 6.494,8.869 
5.861,8.125 5.861,6.713 5.861,5.318 6.494,4.58 7.127,3.842 8.416,3.842 
9.67,3.842 10.31,4.568 10.95,5.289 10.95,6.713 Z M 9.892,6.713 Q 9.892,5.447 
9.523,4.879 9.154,4.31 8.369,4.31 7.601,4.31 7.256,4.855 6.916,5.4 6.916,6.713 
6.916,8.043 7.261,8.6 7.613,9.15 8.369,9.15 9.142,9.15 9.517,8.576 9.892,8.002 
9.892,6.713 Z"
-
- />
+     d="m 12.1445,12.8215 q 0,2.9 -2.581,2.9 -1.242,0 -1.875,-0.744 
-0.633,-0.744 -0.633,-2.156 0,-1.395 0.633,-2.133 0.633,-0.738 1.922,-0.738 
1.254,0 1.894,0.726 0.64,0.721 0.64,2.145 z m -1.058,0 q 0,-1.266 -0.369,-1.834 
-0.369,-0.569 -1.154,-0.569 -0.768,0 -1.113,0.545 -0.34,0.545 -0.34,1.858 
0,1.33 0.345,1.887 0.352,0.55 1.108,0.55 0.773,0 1.148,-0.574 0.375,-0.574 
0.375,-1.863 z"
+     id="path94"
+     inkscape:connector-curvature="0" />
   <path
- d="M 12.86,9.613 Q 12.3,9.613 12.02,9.279 11.74,8.945 11.74,8.342 V 4.48 H 
11.02 V 4.217 L 11.75,3.988 12.35,2.74 H 12.71 V 3.988 H 13.97 V 4.48 H 12.71 V 
8.236 Q 12.71,8.617 12.88,8.81 13.06,9.004 13.34,9.004 13.68,9.004 14.17,8.91 V 
9.291 Q 13.96,9.432 13.58,9.519 13.19,9.613 12.86,9.613 Z"
-
- />
+     d="m 14.0545,15.7215 q -0.56,0 -0.84,-0.334 -0.28,-0.334 -0.28,-0.937 v 
-3.862 h -0.72 v -0.263 l 0.73,-0.229 0.6,-1.248 h 0.36 v 1.248 h 1.26 v 0.492 
h -1.26 v 3.756 q 0,0.381 0.17,0.574 0.18,0.194 0.46,0.194 0.34,0 0.83,-0.094 v 
0.381 q -0.21,0.141 -0.59,0.228 -0.39,0.094 -0.72,0.094 z"
+     id="path96"
+     inkscape:connector-curvature="0" />
   <path
- d="M 15.64,3.555 Q 15.64,4.164 15.6,4.434 16.02,4.193 16.56,4.017 17.1,3.842 
17.46,3.842 18.18,3.842 18.54,4.258 18.91,4.674 18.91,5.465 V 9.086 L 
19.57,9.232 V 9.496 H 17.2 V 9.232 L 17.93,9.086 V 5.535 Q 17.93,4.527 
16.96,4.527 16.41,4.527 15.64,4.697 V 9.086 L 16.39,9.232 V 9.496 H 13.97 V 
9.232 L 14.67,9.086 V 1.574 L 13.85,1.434 V 1.17 H 15.64 Z"
- />
-</svg>
\ No newline at end of file
+     d="m 16.8345,9.6635 q 0,0.609 -0.04,0.879 0.42,-0.241 0.96,-0.417 
0.54,-0.175 0.9,-0.175 0.72,0 1.08,0.416 0.37,0.416 0.37,1.207 v 3.621 l 
0.66,0.146 v 0.264 h -2.37 v -0.264 l 0.73,-0.146 v -3.551 q 0,-1.008 
-0.97,-1.008 -0.55,0 -1.32,0.17 v 4.389 l 0.75,0.146 v 0.264 h -2.42 v -0.264 l 
0.7,-0.146 v -7.512 l -0.82,-0.14 v -0.264 h 1.79 z"
+     id="path98"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21517.svg 
b/source/media/helpimg/starmath/fu21517.svg
index cdf7e82ed..b72dff7c4 100644
--- a/source/media/helpimg/starmath/fu21517.svg
+++ b/source/media/helpimg/starmath/fu21517.svg
@@ -1,16 +1,74 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg118"
+   sodipodi:docname="fu21517.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata124">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs122" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview120"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.63561"
+     inkscape:cy="-40.939"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg118" />
   <path
- d="M 5.084,7.397 Q 5.084,8.217 4.562,8.639 4.047,9.061 3.033,9.061 
2.623,9.061 2.125,8.973 1.632,8.891 1.351,8.786 V 7.432 H 1.615 L 1.902,8.2 Q 
2.341,8.598 3.045,8.598 4.181,8.598 4.181,7.626 4.181,6.911 3.285,6.606 L 
2.763,6.436 Q 2.172,6.243 1.902,6.044 1.632,5.844 1.486,5.557 1.339,5.264 
1.339,4.854 1.339,4.128 1.832,3.712 2.33,3.29 3.173,3.29 3.777,3.29 4.685,3.471 
V 4.673 H 4.41 L 4.164,4.034 Q 3.853,3.758 3.185,3.758 2.711,3.758 2.459,3.993 
2.213,4.227 2.213,4.626 2.213,4.96 2.435,5.188 2.664,5.417 3.121,5.569 
3.982,5.862 4.246,5.997 4.509,6.132 4.691,6.331 4.879,6.524 4.978,6.776 
5.084,7.028 5.084,7.397 Z" />
+     d="m 6.8845,13.86715 q 0,0.82 -0.522,1.242 -0.515,0.422 -1.529,0.422 
-0.41,0 -0.908,-0.088 -0.493,-0.082 -0.774,-0.187 v -1.354 h 0.264 l 
0.287,0.768 q 0.439,0.398 1.143,0.398 1.136,0 1.136,-0.972 0,-0.715 
-0.896,-1.02 l -0.522,-0.17 q -0.591,-0.193 -0.861,-0.392 -0.27,-0.2 
-0.416,-0.487 -0.147,-0.293 -0.147,-0.703 0,-0.726 0.493,-1.142 0.498,-0.422 
1.341,-0.422 0.604,0 1.512,0.181 v 1.202 h -0.275 l -0.246,-0.639 q 
-0.311,-0.276 -0.979,-0.276 -0.474,0 -0.726,0.235 -0.246,0.234 -0.246,0.633 
0,0.334 0.222,0.562 0.229,0.229 0.686,0.381 0.861,0.293 1.125,0.428 0.263,0.135 
0.445,0.334 0.188,0.193 0.287,0.445 0.106,0.252 0.106,0.621 z"
+     id="path108"
+     inkscape:connector-curvature="0" />
   <path
- d="M 7.232,1.637 Q 7.232,1.895 7.045,2.083 6.857,2.27 6.593,2.27 6.336,2.27 
6.148,2.083 5.961,1.895 5.961,1.637 5.961,1.374 6.148,1.186 6.336,0.9987 
6.593,0.9987 6.857,0.9987 7.045,1.186 7.232,1.374 7.232,1.637 Z M 7.173,8.534 
8.117,8.68 V 8.944 H 5.263 V 8.68 L 6.201,8.534 V 3.846 L 5.422,3.7 V 3.436 H 
7.173 Z" />
+     d="m 9.0325,8.10715 q 0,0.258 -0.187,0.446 -0.188,0.187 -0.452,0.187 
-0.257,0 -0.445,-0.187 -0.187,-0.188 -0.187,-0.446 0,-0.263 0.187,-0.451 
0.188,-0.1873 0.445,-0.1873 0.264,0 0.452,0.1873 0.187,0.188 0.187,0.451 z m 
-0.059,6.897 0.944,0.146 v 0.264 h -2.854 v -0.264 l 0.938,-0.146 v -4.688 l 
-0.779,-0.146 v -0.264 h 1.751 z"
+     id="path110"
+     inkscape:connector-curvature="0" />
   <path
- d="M 9.738,3.882 Q 10.19,3.624 10.7,3.46 11.21,3.29 11.55,3.29 12.26,3.29 
12.63,3.706 12.99,4.122 12.99,4.913 V 8.534 L 13.66,8.68 V 8.944 H 11.28 V 8.68 
L 12.02,8.534 V 5.018 Q 12.02,4.532 11.78,4.257 11.54,3.975 11.04,3.975 
10.52,3.975 9.75,4.145 V 8.534 L 10.49,8.68 V 8.944 H 8.115 V 8.68 L 
8.777,8.534 V 3.846 L 8.115,3.7 V 3.436 H 9.685 Z"
- />
+     d="m 11.5385,10.35215 q 0.452,-0.258 0.962,-0.422 0.51,-0.17 0.85,-0.17 
0.71,0 1.08,0.416 0.36,0.416 0.36,1.207 v 3.621 l 0.67,0.146 v 0.264 h -2.38 v 
-0.264 l 0.74,-0.146 v -3.516 q 0,-0.486 -0.24,-0.761 -0.24,-0.282 -0.74,-0.282 
-0.52,0 -1.29,0.17 v 4.389 l 0.74,0.146 v 0.264 h -2.375 v -0.264 l 
0.662,-0.146 v -4.688 l -0.662,-0.146 v -0.264 h 1.57 z"
+     id="path112"
+     inkscape:connector-curvature="0" />
   <path
- d="M 12.3,2.864 V 2.266 H 14.38 V 2.864 Z"
- />
+     d="m 14.1005,9.33415 v -0.598 h 2.08 v 0.598 z"
+     id="path114"
+     inkscape:connector-curvature="0" />
   <path
- d="M 16.99,6.115 18.06,6.221 V 6.428 H 15.24 V 6.221 L 16.32,6.115 V 1.842 L 
15.26,2.221 V 2.014 L 16.79,1.147 H 16.99 Z"
- />
-</svg>
\ No newline at end of file
+     d="m 18.7905,12.58515 1.07,0.106 v 0.207 h -2.82 v -0.207 l 1.08,-0.106 v 
-4.273 l -1.06,0.379 v -0.207 l 1.53,-0.867 h 0.2 z"
+     id="path116"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21518.svg 
b/source/media/helpimg/starmath/fu21518.svg
index 00bd8050e..9736501dd 100644
--- a/source/media/helpimg/starmath/fu21518.svg
+++ b/source/media/helpimg/starmath/fu21518.svg
@@ -1,16 +1,74 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg136"
+   sodipodi:docname="fu21518.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata142">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs140" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview138"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.70261"
+     inkscape:cy="-38.6"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg136" />
   <path
- d="M 5.906,10.95 Q 5.619,11.16 5.115,11.28 4.611,11.4 4.084,11.4 1.406,11.4 
1.406,8.485 1.406,7.108 2.086,6.37 2.771,5.626 4.043,5.626 4.834,5.626 
5.771,5.807 V 7.342 H 5.449 L 5.197,6.37 Q 4.711,6.094 4.031,6.094 2.461,6.094 
2.461,8.485 2.461,9.727 2.935,10.26 3.416,10.79 4.418,10.79 5.273,10.79 
5.906,10.59 Z" />
+     d="m 6.113,16.27115 q -0.287,0.21 -0.791,0.33 -0.504,0.12 -1.031,0.12 
-2.678,0 -2.678,-2.915 0,-1.377 0.68,-2.115 0.685,-0.744 1.957,-0.744 0.791,0 
1.728,0.181 v 1.535 H 5.656 l -0.252,-0.972 q -0.486,-0.276 -1.166,-0.276 
-1.57,0 -1.57,2.391 0,1.242 0.474,1.775 0.481,0.53 1.483,0.53 0.855,0 
1.488,-0.2 z"
+     id="path126"
+     inkscape:connector-curvature="0" />
   <path
- d="M 11.31,8.497 Q 11.31,11.4 8.734,11.4 7.492,11.4 6.859,10.65 6.226,9.909 
6.226,8.497 6.226,7.102 6.859,6.364 7.492,5.626 8.781,5.626 10.03,5.626 
10.67,6.352 11.31,7.073 11.31,8.497 Z M 10.26,8.497 Q 10.26,7.231 9.888,6.663 
9.519,6.094 8.734,6.094 7.966,6.094 7.621,6.639 7.281,7.184 7.281,8.497 
7.281,9.827 7.627,10.38 7.978,10.93 8.734,10.93 9.507,10.93 9.882,10.36 
10.26,9.786 10.26,8.497 Z" />
+     d="m 11.517,13.81815 q 0,2.903 -2.576,2.903 -1.242,0 -1.875,-0.75 
-0.633,-0.741 -0.633,-2.153 0,-1.395 0.633,-2.133 0.633,-0.738 1.922,-0.738 
1.249,0 1.889,0.726 0.64,0.721 0.64,2.145 z m -1.05,0 q 0,-1.266 -0.372,-1.834 
-0.369,-0.569 -1.154,-0.569 -0.768,0 -1.113,0.545 -0.34,0.545 -0.34,1.858 
0,1.33 0.346,1.883 0.351,0.55 1.107,0.55 0.773,0 1.148,-0.57 0.378,-0.574 
0.378,-1.863 z"
+     id="path128"
+     inkscape:connector-curvature="0" />
   <path
- d="M 15.51,9.733 Q 15.51,10.55 14.98,10.98 14.47,11.4 13.45,11.4 13.04,11.4 
12.55,11.31 12.05,11.23 11.77,11.12 V 9.768 H 12.04 L 12.32,10.54 Q 12.76,10.93 
13.47,10.93 14.6,10.93 14.6,9.962 14.6,9.247 13.71,8.942 L 13.19,8.772 Q 
12.59,8.579 12.32,8.38 12.05,8.18 11.91,7.893 11.76,7.6 11.76,7.19 11.76,6.464 
12.25,6.048 12.75,5.626 13.6,5.626 14.2,5.626 15.11,5.807 V 7.009 H 14.83 L 
14.59,6.37 Q 14.27,6.094 13.61,6.094 13.13,6.094 12.88,6.329 12.63,6.563 
12.63,6.962 12.63,7.296 12.86,7.524 13.09,7.753 13.54,7.905 14.4,8.198 
14.67,8.333 14.93,8.467 15.11,8.667 15.3,8.86 15.4,9.112 15.51,9.364 
15.51,9.733 Z"
- />
+     d="m 15.717,15.05415 q 0,0.817 -0.53,1.247 -0.51,0.42 -1.53,0.42 -0.41,0 
-0.9,-0.09 -0.5,-0.08 -0.78,-0.19 v -1.352 h 0.27 l 0.28,0.772 q 0.44,0.39 
1.15,0.39 1.13,0 1.13,-0.968 0,-0.715 -0.89,-1.02 l -0.52,-0.17 q -0.6,-0.193 
-0.87,-0.392 -0.27,-0.2 -0.41,-0.487 -0.15,-0.293 -0.15,-0.703 0,-0.726 
0.49,-1.142 0.5,-0.422 1.35,-0.422 0.6,0 1.51,0.181 v 1.202 h -0.28 l 
-0.24,-0.639 q -0.32,-0.276 -0.98,-0.276 -0.48,0 -0.73,0.235 -0.25,0.234 
-0.25,0.633 0,0.334 0.23,0.562 0.23,0.229 0.68,0.381 0.86,0.293 1.13,0.428 
0.26,0.134 0.44,0.334 0.19,0.193 0.29,0.445 0.11,0.252 0.11,0.621 z"
+     id="path130"
+     inkscape:connector-curvature="0" />
   <path
- d="M 15.07,2.308 V 1.71 H 17.15 V 2.308 Z"
-
- />
+     d="m 15.277,7.62915 v -0.598 h 2.08 v 0.598 z"
+     id="path132"
+     inkscape:connector-curvature="0" />
   <path
- d="M 20.11,5.926 21.18,6.032 V 6.239 H 18.36 V 6.032 L 19.44,5.926 V 1.653 L 
18.38,2.032 V 1.825 L 19.91,0.9577 H 20.11 Z" />
-</svg>
\ No newline at end of file
+     d="m 20.317,11.24715 1.07,0.106 v 0.207 h -2.82 v -0.207 l 1.08,-0.106 v 
-4.273 l -1.06,0.379 v -0.207 l 1.53,-0.8673 h 0.2 z"
+     id="path134"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21519.svg 
b/source/media/helpimg/starmath/fu21519.svg
index b240319d3..c2d0988fd 100644
--- a/source/media/helpimg/starmath/fu21519.svg
+++ b/source/media/helpimg/starmath/fu21519.svg
@@ -1,15 +1,74 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg154"
+   sodipodi:docname="fu21519.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata160">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs158" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview156"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.69761"
+     inkscape:cy="-38.9"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg154" />
   <path
- d="M 3.241,11.1 Q 2.679,11.1 2.397,10.76 2.122,10.43 2.122,9.826 V 5.964 H 
1.401 V 5.701 L 2.134,5.472 2.725,4.224 H 3.095 V 5.472 H 4.354 V 5.964 H 3.095 
V 9.72 Q 3.095,10.1 3.264,10.29 3.44,10.49 3.722,10.49 4.061,10.49 4.548,10.39 
V 10.77 Q 4.343,10.92 3.956,11 3.569,11.1 3.241,11.1 Z" />
+     d="m 4.0155,16.542 q -0.562,0 -0.844,-0.34 -0.275,-0.33 -0.275,-0.934 v 
-3.862 h -0.721 v -0.263 l 0.733,-0.229 0.591,-1.248 h 0.37 v 1.248 h 1.259 v 
0.492 h -1.259 v 3.756 q 0,0.38 0.169,0.57 0.176,0.2 0.458,0.2 0.339,0 
0.826,-0.1 v 0.38 q -0.205,0.15 -0.592,0.23 -0.387,0.1 -0.715,0.1 z"
+     id="path144"
+     inkscape:connector-curvature="0" />
   <path
- d="M 6.837,5.349 Q 7.739,5.349 8.161,5.718 8.589,6.087 8.589,6.849 V 10.57 L 
9.274,10.72 V 10.98 H 7.763 L 7.651,10.43 Q 6.983,11.1 5.946,11.1 4.534,11.1 
4.534,9.457 4.534,8.906 4.745,8.548 4.962,8.185 5.43,7.998 5.899,7.804 
6.79,7.787 L 7.616,7.763 V 6.902 Q 7.616,6.334 7.405,6.064 7.2,5.794 
6.766,5.794 6.18,5.794 5.694,6.07 L 5.495,6.755 H 5.167 V 5.554 Q 6.116,5.349 
6.837,5.349 Z M 7.616,8.173 6.848,8.197 Q 6.063,8.226 5.782,8.501 5.507,8.777 
5.507,9.421 5.507,10.45 6.345,10.45 6.743,10.45 7.03,10.36 7.323,10.27 
7.616,10.13 Z"
- />
+     d="m 7.6115,10.791 q 0.902,0 1.324,0.369 0.428,0.369 0.428,1.131 v 3.721 
l 0.685,0.15 v 0.26 h -1.511 l -0.112,-0.55 q -0.668,0.67 -1.705,0.67 -1.412,0 
-1.412,-1.643 0,-0.551 0.211,-0.909 0.217,-0.363 0.685,-0.55 0.469,-0.194 
1.36,-0.211 l 0.826,-0.024 v -0.861 q 0,-0.568 -0.211,-0.838 -0.205,-0.27 
-0.639,-0.27 -0.586,0 -1.072,0.276 l -0.199,0.685 h -0.328 v -1.201 q 
0.949,-0.205 1.67,-0.205 z m 0.779,2.824 -0.768,0.024 q -0.785,0.029 
-1.066,0.304 -0.275,0.276 -0.275,0.92 0,1.029 0.838,1.029 0.398,0 0.685,-0.09 
0.293,-0.09 0.586,-0.23 z"
+     id="path146"
+     inkscape:connector-curvature="0" />
   <path
- d="M 10.83,5.917 Q 11.28,5.66 11.79,5.496 12.3,5.326 12.64,5.326 13.36,5.326 
13.72,5.742 14.08,6.158 14.08,6.949 V 10.57 L 14.75,10.72 V 10.98 H 12.38 V 
10.72 L 13.11,10.57 V 7.054 Q 13.11,6.568 12.87,6.292 12.64,6.011 12.14,6.011 
11.61,6.011 10.84,6.181 V 10.57 L 11.59,10.72 V 10.98 H 9.208 V 10.72 L 
9.87,10.57 V 5.882 L 9.208,5.736 V 5.472 H 10.78 Z" />
+     d="m 11.6045,11.359 q 0.45,-0.257 0.96,-0.421 0.51,-0.17 0.85,-0.17 
0.72,0 1.08,0.416 0.36,0.416 0.36,1.207 v 3.621 l 0.67,0.15 v 0.26 h -2.37 v 
-0.26 l 0.73,-0.15 v -3.516 q 0,-0.486 -0.24,-0.762 -0.23,-0.281 -0.73,-0.281 
-0.53,0 -1.3,0.17 v 4.389 l 0.75,0.15 v 0.26 h -2.382 v -0.26 l 0.662,-0.15 v 
-4.688 l -0.662,-0.146 v -0.264 h 1.572 z"
+     id="path148"
+     inkscape:connector-curvature="0" />
   <path
- d="M 14.15,2.417 V 1.819 H 16.23 V 2.417 Z"
- />
+     d="M 14.9245,7.859 V 7.261 h 2.08 v 0.598 z"
+     id="path150"
+     inkscape:connector-curvature="0" />
   <path
- d="M 18.98,5.984 20.05,6.09 V 6.297 H 17.23 V 6.09 L 18.31,5.984 V 1.711 L 
17.25,2.09 V 1.883 L 18.78,1.016 H 18.98 Z" />
-</svg>
\ No newline at end of file
+     d="m 19.7545,11.426 1.07,0.106 v 0.207 h -2.82 v -0.207 l 1.08,-0.106 V 
7.153 l -1.06,0.379 V 7.325 l 1.53,-0.867 h 0.2 z"
+     id="path152"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21520.svg 
b/source/media/helpimg/starmath/fu21520.svg
index 2dab736d2..f837c8570 100644
--- a/source/media/helpimg/starmath/fu21520.svg
+++ b/source/media/helpimg/starmath/fu21520.svg
@@ -1,16 +1,74 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg172"
+   sodipodi:docname="fu21520.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata178">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs176" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview174"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.22071"
+     inkscape:cy="-39.06"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg172" />
   <path
- d="M 5.424,10.49 Q 5.137,10.7 4.633,10.82 4.129,10.94 3.602,10.94 
0.9241,10.94 0.9241,8.025 0.9241,6.648 1.604,5.91 2.289,5.166 3.561,5.166 
4.352,5.166 5.289,5.347 V 6.882 H 4.967 L 4.715,5.91 Q 4.229,5.634 3.549,5.634 
1.979,5.634 1.979,8.025 1.979,9.267 2.453,9.8 2.934,10.33 3.936,10.33 
4.791,10.33 5.424,10.13 Z" />
+     d="m 6.70695,16.1476 q -0.287,0.21 -0.791,0.33 -0.504,0.12 -1.031,0.12 
-2.6779,0 -2.6779,-2.915 0,-1.377 0.6799,-2.115 0.685,-0.744 1.957,-0.744 
0.791,0 1.728,0.181 v 1.535 h -0.322 l -0.252,-0.972 q -0.486,-0.276 
-1.166,-0.276 -1.57,0 -1.57,2.391 0,1.242 0.474,1.775 0.481,0.53 1.483,0.53 
0.855,0 1.488,-0.2 z"
+     id="path162"
+     inkscape:connector-curvature="0" />
   <path
- d="M 10.83,8.037 Q 10.83,10.94 8.252,10.94 7.01,10.94 6.377,10.19 5.744,9.449 
5.744,8.037 5.744,6.642 6.377,5.904 7.01,5.166 8.299,5.166 9.553,5.166 
10.19,5.892 10.83,6.613 10.83,8.037 Z M 9.776,8.037 Q 9.776,6.771 9.407,6.203 
9.037,5.634 8.252,5.634 7.485,5.634 7.139,6.179 6.799,6.724 6.799,8.037 
6.799,9.367 7.145,9.924 7.496,10.47 8.252,10.47 9.026,10.47 9.401,9.9 
9.776,9.326 9.776,8.037 Z"
- />
+     d="m 12.11295,13.6946 q 0,2.903 -2.578,2.903 -1.242,0 -1.875,-0.75 
-0.633,-0.741 -0.633,-2.153 0,-1.395 0.633,-2.133 0.633,-0.738 1.922,-0.738 
1.254,0 1.891,0.726 0.64,0.721 0.64,2.145 z m -1.054,0 q 0,-1.266 -0.369,-1.834 
-0.37,-0.569 -1.155,-0.569 -0.767,0 -1.113,0.545 -0.34,0.545 -0.34,1.858 0,1.33 
0.346,1.887 0.351,0.546 1.107,0.546 0.774,0 1.149,-0.57 0.375,-0.574 
0.375,-1.863 z"
+     id="path164"
+     inkscape:connector-curvature="0" />
   <path
- d="M 12.74,10.94 Q 12.18,10.94 11.9,10.6 11.63,10.27 11.63,9.666 V 5.804 H 
10.9 V 5.541 L 11.64,5.312 12.23,4.064 H 12.6 V 5.312 H 13.86 V 5.804 H 12.6 V 
9.56 Q 12.6,9.941 12.77,10.13 12.94,10.33 13.22,10.33 13.56,10.33 14.05,10.23 V 
10.61 Q 13.85,10.76 13.46,10.84 13.07,10.94 12.74,10.94 Z"
- />
+     d="m 14.02295,16.5976 q -0.56,0 -0.84,-0.34 -0.27,-0.33 -0.27,-0.934 v 
-3.862 h -0.73 v -0.263 l 0.74,-0.229 0.59,-1.248 h 0.37 v 1.248 h 1.26 v 0.492 
h -1.26 v 3.756 q 0,0.381 0.17,0.57 0.17,0.2 0.45,0.2 0.34,0 0.83,-0.1 v 0.38 q 
-0.2,0.15 -0.59,0.23 -0.39,0.1 -0.72,0.1 z"
+     id="path166"
+     inkscape:connector-curvature="0" />
   <path
- d="M 13.72,1.997 V 1.399 H 15.8 V 1.997 Z" />
+     d="m 15.00295,7.6546 v -0.598 h 2.08 v 0.598 z"
+     id="path168"
+     inkscape:connector-curvature="0" />
   <path
- d="M 18.44,5.714 19.51,5.819 V 6.026 H 16.69 V 5.819 L 17.77,5.714 V 1.44 L 
16.71,1.819 V 1.612 L 18.24,0.7448 H 18.44 Z"
- />
-</svg>
\ No newline at end of file
+     d="m 19.72295,11.3716 1.07,0.105 v 0.207 h -2.82 v -0.207 l 1.08,-0.105 v 
-4.274 l -1.06,0.379 v -0.207 l 1.53,-0.8672 h 0.2 z"
+     id="path170"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21521.svg 
b/source/media/helpimg/starmath/fu21521.svg
index 8f10bdcf3..fe9cb4752 100644
--- a/source/media/helpimg/starmath/fu21521.svg
+++ b/source/media/helpimg/starmath/fu21521.svg
@@ -1,17 +1,78 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg192"
+   sodipodi:docname="fu21521.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata198">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs196" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview194"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-31.48161"
+     inkscape:cy="-38.67"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg192" />
   <path
- d="M 4.513,9.855 Q 4.513,10.58 4.05,10.96 3.591,11.33 2.69,11.33 2.326,11.33 
1.883,11.26 1.446,11.18 1.196,11.09 V 9.886 H 1.43 L 1.685,10.57 Q 2.076,10.92 
2.701,10.92 3.711,10.92 3.711,10.06 3.711,9.423 2.914,9.152 L 2.451,9.001 Q 
1.925,8.829 1.685,8.652 1.446,8.475 1.315,8.22 1.185,7.959 1.185,7.595 
1.185,6.949 1.623,6.579 2.065,6.204 2.815,6.204 3.352,6.204 4.159,6.365 V 7.433 
H 3.914 L 3.696,6.865 Q 3.42,6.621 2.826,6.621 2.404,6.621 2.18,6.829 
1.961,7.037 1.961,7.391 1.961,7.688 2.159,7.891 2.362,8.095 2.769,8.23 
3.534,8.49 3.769,8.61 4.003,8.73 4.164,8.907 4.331,9.079 4.42,9.303 4.513,9.527 
4.513,9.855 Z" />
+     d="m 4.7805,15.1655 q 0,0.725 -0.463,1.105 -0.459,0.37 -1.36,0.37 
-0.364,0 -0.807,-0.07 -0.437,-0.08 -0.687,-0.17 v -1.204 h 0.234 l 0.255,0.684 
q 0.391,0.35 1.016,0.35 1.01,0 1.01,-0.86 0,-0.637 -0.797,-0.908 l 
-0.463,-0.151 q -0.526,-0.172 -0.766,-0.349 -0.239,-0.177 -0.37,-0.432 
-0.13,-0.261 -0.13,-0.625 0,-0.646 0.438,-1.016 0.442,-0.375 1.192,-0.375 
0.537,0 1.344,0.161 v 1.068 h -0.245 l -0.218,-0.568 q -0.276,-0.244 
-0.87,-0.244 -0.422,0 -0.646,0.208 -0.219,0.208 -0.219,0.562 0,0.297 0.198,0.5 
0.203,0.204 0.61,0.339 0.765,0.26 1,0.38 0.234,0.12 0.395,0.297 0.167,0.172 
0.256,0.396 0.093,0.224 0.093,0.552 z"
+     id="path180"
+     inkscape:connector-curvature="0" />
   <path
- d="M 6.368,4.735 Q 6.368,4.964 6.201,5.131 6.034,5.298 5.8,5.298 5.571,5.298 
5.404,5.131 5.237,4.964 5.237,4.735 5.237,4.501 5.404,4.334 5.571,4.167 
5.8,4.167 6.034,4.167 6.201,4.334 6.368,4.501 6.368,4.735 Z M 6.315,10.87 
7.154,11 V 11.23 H 4.618 V 11 L 5.451,10.87 V 6.699 L 4.758,6.569 V 6.334 H 
6.315 Z"
- />
+     d="m 6.6355,10.0455 q 0,0.229 -0.167,0.396 -0.167,0.167 -0.401,0.167 
-0.229,0 -0.396,-0.167 -0.167,-0.167 -0.167,-0.396 0,-0.234 0.167,-0.401 
0.167,-0.167 0.396,-0.167 0.234,0 0.401,0.167 0.167,0.167 0.167,0.401 z m 
-0.053,6.135 0.839,0.13 v 0.23 h -2.536 v -0.23 l 0.833,-0.13 v -4.171 l 
-0.693,-0.13 v -0.235 h 1.557 z"
+     id="path182"
+     inkscape:connector-curvature="0" />
   <path
- d="M 8.539,6.73 Q 8.94,6.501 9.394,6.355 9.847,6.204 10.15,6.204 10.78,6.204 
11.11,6.574 11.43,6.944 11.43,7.647 V 10.87 L 12.02,11 V 11.23 H 9.914 V 11 L 
10.57,10.87 V 7.74 Q 10.57,7.308 10.35,7.063 10.14,6.813 9.701,6.813 
9.232,6.813 8.55,6.964 V 10.87 L 9.211,11 V 11.23 H 7.097 V 11 L 7.685,10.87 V 
6.699 L 7.097,6.569 V 6.334 H 8.493 Z" />
+     d="m 8.8065,12.0405 q 0.401,-0.229 0.855,-0.375 0.453,-0.151 0.756,-0.151 
0.63,0 0.96,0.37 0.32,0.37 0.32,1.073 v 3.223 l 0.59,0.13 v 0.23 h -2.106 v 
-0.23 l 0.656,-0.13 v -3.13 q 0,-0.432 -0.22,-0.677 -0.21,-0.25 -0.649,-0.25 
-0.469,0 -1.151,0.151 v 3.906 l 0.661,0.13 v 0.23 h -2.114 v -0.23 l 
0.588,-0.13 v -4.171 l -0.588,-0.13 v -0.235 h 1.396 z"
+     id="path184"
+     inkscape:connector-curvature="0" />
   <path
- d="M 13.38,5.949 Q 13.38,6.49 13.35,6.73 13.72,6.516 14.2,6.36 14.67,6.204 
15,6.204 15.64,6.204 15.96,6.574 16.28,6.944 16.28,7.647 V 10.87 L 16.88,11 V 
11.23 H 14.77 V 11 L 15.42,10.87 V 7.709 Q 15.42,6.813 14.56,6.813 14.07,6.813 
13.38,6.964 V 10.87 L 14.04,11 V 11.23 H 11.9 V 11 L 12.52,10.87 V 4.188 L 
11.79,4.063 V 3.829 H 13.38 Z"
- />
+     d="m 13.6475,11.2595 q 0,0.541 -0.03,0.781 0.37,-0.214 0.85,-0.37 
0.47,-0.156 0.8,-0.156 0.64,0 0.96,0.37 0.32,0.37 0.32,1.073 v 3.223 l 0.6,0.13 
v 0.23 h -2.11 v -0.23 l 0.65,-0.13 v -3.161 q 0,-0.896 -0.86,-0.896 -0.49,0 
-1.18,0.151 v 3.906 l 0.66,0.13 v 0.23 h -2.14 v -0.23 l 0.62,-0.13 v -6.682 l 
-0.73,-0.125 v -0.234 h 1.59 z"
+     id="path186"
+     inkscape:connector-curvature="0" />
   <path
- d="M 15.42,2.608 V 2.01 H 17.49 V 2.608 Z" />
+     d="m 15.6875,7.9185 v -0.598 h 2.07 v 0.598 z"
+     id="path188"
+     inkscape:connector-curvature="0" />
   <path
- d="M 20.21,6.017 21.28,6.123 V 6.33 H 18.46 V 6.123 L 19.54,6.017 V 1.744 L 
18.48,2.123 V 1.916 L 20.01,1.049 H 20.21 Z" />
-</svg>
\ No newline at end of file
+     d="m 20.4775,11.3275 1.07,0.106 v 0.207 h -2.82 v -0.207 l 1.08,-0.106 v 
-4.273 l -1.06,0.379 v -0.207 l 1.53,-0.867 h 0.2 z"
+     id="path190"
+     inkscape:connector-curvature="0" />
+</svg>
diff --git a/source/media/helpimg/starmath/fu21522.svg 
b/source/media/helpimg/starmath/fu21522.svg
index 4eff42539..1e1cb9016 100644
--- a/source/media/helpimg/starmath/fu21522.svg
+++ b/source/media/helpimg/starmath/fu21522.svg
@@ -1,19 +1,78 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<svg xmlns="http://www.w3.org/2000/svg"; version="1.1">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/";
+   xmlns:cc="http://creativecommons.org/ns#";
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+   version="1.1"
+   id="svg212"
+   sodipodi:docname="fu21522.svg"
+   width="23"
+   height="23"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata218">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs216" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="995"
+     id="namedview214"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="2.36"
+     inkscape:cx="-30.50451"
+     inkscape:cy="-38.2"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg212" />
   <path

... etc. - the rest is truncated
_______________________________________________
Libreoffice-commits mailing list
libreoffice-comm...@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/libreoffice-commits

Reply via email to