Doug,
Jonathan Best wishes, Jonathan On Mar 8, 2014, at 1:55 PM, Doug Lee <[email protected]> wrote: > Wondering if my interpretation of that one is correct; I produced > LaTeX documents often enough in college, but that was 30 years ago... > Mostly I'm not sure what the <..> construct means, unless that's a > bracketing style similar to parentheses. Assuming that, we have > > \frac{1}{2}k<x^2> = \frac{1}{2} k_B T > > One half k times the quantity x squared > equals > One half k sub B times T > > On Sat, Mar 08, 2014 at 01:15:44PM -0500, Jonathan C. Cohn wrote: > I decided to ask my daughter who will soon be teaching High School > Physics... > > I will attach a complete TeX or LaTeX equation below. LaTeX is an macro > extension to TeX that eventually converts into TeX before being > rendered on a page. Note also that Microsoft Word has a plugin that > helps with equation editing. > > \begin{equation} > > \frac{1}{2}k<x^2> = \frac{1}{2} k_B T > > \end{equation} > > Equipartition theory > > Also note that Macintosh OS 10.9 claims to have support for MathML but > I believe there were some grumblings about the support being there but > not really there. This might be like how Mac OS had UI programming > available a version before VoiceOver came out, and if you tried really > hard you could have written a screen reader for that OS. So what I am > trying to say is that perhaps in the current version there is a > framework but that true support in applications will not be available > for a couple of years. > > Hope my ramblings give you some direction in solving your issues. > > Jonathan > > > Best wishes, > Jonathan > On Mar 8, 2014, at 12:57 PM, RicksPlace <[1][email protected]> wrote: > > Hi Guys: > Well, I ended up back with the mathml xml based articles. I have no > idea how well they are supported out there, from what I've seen not > very well for the vast majority of sites I've visited and Google says > they have no plans to support it in their browser anytime soon, they > actually had it and dropped it. > There is support, or was support, in IE and Firefox I think but there > were problems with IE and firefox did not implement it fully as far as > I read in a few overview type articles. > To use mathml requires a plug-in, not sure microsoft supports them > anymore, or some other type of third party software which is sort of > getting out there for something that should just be a part of > accessibility in the first place. In other words, however the equations > are rendered I should think it the function of a screen reader to read > it correctly based on at least one or 2 of the major formats ie LaTex > or mathml etc... and I dont think WindowEyes does that and I dont know > anything about the other screen readers but my guess is they dont do it > either. > Perhaps it would be possible to create a script for the LaTex formats > but after going through the w3c stuff on mathml I wouldnt have a clue > on designing a script to even attempt to translate that stuff. > So what is going on? MathML is suppose to be the standard but nobody > really wants to support it and it is way too complicated for a simple > guy like me to try and work with. > So I dont expect any improved accessibility unless Microsoft implements > it since Google is not going, or wernt, going to do it and others are > starting to fall back on the other methods of rendering. > Now that html5 has tags for mathml some supporters say it will start up > again but where is it in the news for the new releases of various > products? > Rick USA > > ----- Original Message ----- > > From: [2]Jonathan C. Cohn > > To: [3][email protected] > > Sent: Saturday, March 08, 2014 12:33 PM > > Subject: Re: WE and Advanced Math and Science Symbols > > You might want to look at Nemith code, a braille way of > interpretscienfic notation. > > Best wishes, > Jonathan > On Mar 8, 2014, at 10:54 AM, RicksPlace <[4][email protected]> wrote: > > Hi Again: > Googling I found these tags are related to font definitions. > Several versions are mentioned in a couple of articles so far: > Mathematical Notation: LaTeX, Mathematica, HTML Entities, Unicode > > Do you know if these are a standard font thingy and should either my > browser or WindowEyes be automatically picking them up and speaking > them in the correct manner? > > Perhaps my browser is too old, not sure. > > Rick USA > > ----- Original Message ----- > > From: [5]RicksPlace > > To: [6][email protected] > > Sent: Saturday, March 08, 2014 10:15 AM > > Subject: Re: WE and Advanced Math and Science Symbols > > Hi Guys: > Thought Id start with Wikipedia since it covers allot of general > descriptions - not a teaching tool but an explanitory tool. > Now, symbols seem to be represented by some kind of standardized use of > tags. > Do you recognize the use of the tags below as a standardized > methodology of some sort and, if so, what is it called? > I put in a few examples so someone might recognize something. > <BeginSamples> > Vector notation > From Wikipedia, the free encyclopedia > the common > typographic convention > is upright boldface type, as in > \mathbf{v} > OK guys here they are just displaying {V} but use a prefix tag: > \mathbf > ... > Another example: > or unwieldy, vectors are often represented with > right-pointing arrow notation or harpoons > above their names, as in > \vec{v} > Here they use a tag: > \vec > before the actual math of {v} > ... > Another example: > A rectangular vector in > \mathbb{R}^n > can be specified using an ordered > set > of components, enclosed in either parentheses or angle brackets. > In a general sense, an n-dimensional vector v > can be specified in either of the following forms: > \mathbf{v} = (v_1, v_2, \dots, v_{n - 1}, v_n) > \mathbf{v} = \langle v_1, v_2, \dots, v_{n - 1}, v_n \rangle > Where v1, v2, ..., vn - 1, vn are the components of v. > Matrix notation > [ > edit > ] > A rectangular vector in > \mathbb{R}^n > can also be specified as a row or column > matrix > containing the ordered set of components. A vector specified as a row > matrix is > known as a > row vector > ; one specified as a column matrix is known as a > column vector > . > Again, an n-dimensional vector > \mathbf{v} > can be specified in either of the following forms using matrices: > \mathbf{v} = \left[ \begin{matrix} v_1 & v_2 & \cdots & v_{n - 1} & v_n > \end{matrix} > \right] = \left( \begin{matrix} v_1 & v_2 & \cdots & v_{n - 1} & v_n > \end{matrix} > \right) > \mathbf{v} = \left[ \begin{matrix} v_1 \\ v_2 \\ \vdots \\ v_{n - 1} \\ > v_n \end{matrix} > \right]= \left( \begin{matrix} v_1 \\ v_2 \\ \vdots \\ v_{n - 1} \\ v_n > \end{matrix} > \right) > Where v1, v2, ..., vn - 1, vn are the components of v > . In some advanced contexts, a row and a column vector have different > meaning; see > covariance and contravariance of vectors > . > Unit vector notation > [ > edit > ] > A rectangular vector in > \mathbb{R}^3 > (or fewer dimensions, such as > \mathbb{R}^2 > where vz > below is zero) can be specified as the sum of the scalar multiples of > the components > of the vector with the members of the standard > basis > in > \mathbb{R}^3 > . The basis is represented with the > unit vectors > \boldsymbol{\hat{\imath}} = (1, 0, 0) > , > \boldsymbol{\hat{\jmath}} = (0, 1, 0) > , and > \boldsymbol{\hat{k}} = (0, 0, 1) > . > A three-dimensional vector v can be specified in the following form, > using unit vector > notation: > \mathbf{v} = v_x \boldsymbol{\hat{\imath}} + v_y > \boldsymbol{\hat{\jmath}} + v_z > \boldsymbol{\hat{k}} > Where vx, vy, and vz are the magnitudes of the components of v. > Polar vectors > [ > edit > ] > wiki/File:CircularCoordinates.svg > It goes on to other vectors for circles etc... > <EndOfSamples> > Rick USA > > ----- Original Message ----- > > From: [7]LB > > To: [8][email protected] > > Sent: Saturday, March 08, 2014 8:18 AM > > Subject: Re: WE and Advanced Math and Science Symbols > > Hi Rick, > > > > I guess having standard symbols for the math, then splitting each > up, isolating them, then using a graphics label for each, store them in > your set file and such, then go from there. Just a thought, but seems > like a simple way to do it. > > > > Most equations use the sup script and such for integrals and can be > messy at times but not impossible. But think standard symbols may be a > problem at the publishers end. But in a set file you can sort them out > based on the publishers usage. > > > > Most equations use hyperbolic math for nothing goes in a straight > line in physics. That can result in lots of funny math. But keep in > mind that all particles are waves and you can always wave back...:) > > > > The reality of our universe is all stuff is on a plain and that > plain is infinite in nature, in other words take a book and stack it's > pages on into infinity and each page is a plain, but so small you could > never find it, but when trying to get them apart you kind of get a > nuclear bomb, for they do not want to be bothered and have the strength > to prove it. > > > > touch one part of that thin sheet and it responds back some where, > the spooky thing Einstein's discovered in relativity. It is like > watching a insect on the surface of a lake or body of water and watch > it vibrate...surface tension. > > > > Enough about god and where he is, he is just every where. A part of > each sheet stacked forever. > > > > Bruce > > > > > > > > Sent: Saturday, March 08, 2014 6:46 AM > > Subject: WE and Advanced Math and Science Symbols > > Hi: > > What is it about screen readers where they have so much trouble reading > advanced math and, or, science characters? > > For example, what about the Calcus symbols or the standard ones often > used in describing the EM Field variables? > > Has anyone ever done anything trying to write a script for say either a > book reader or even internet pages to make the equations read well? > > I have been looking at many sites lately related to quantum mechanics > and light and found many, all?, sites using equations where either I > get a line of characters that dont make sense to me or a blank space > where a given symbol, image?, is located within the equations. > > I know there are third party packages that might, repeat might, work > perhaps with braille but why cant a screen reader like WindowEyes with > it's attendant dictionaries be used to read these pages or books? > > I am wondering if the pages or software could be scripted in some way > to make advanced math and science equations readable with WindowEyes. > > Just a consideration at this point and not even a thought of being a > scripting project but just the question of why it hasent been done by > the screen reader companies and if anyone has ever tried to script > something to enable it for WindowEyes in the past. > > Rick USA > _______________________________________________________________ > > [9][LINK] > > This email is free from viruses and malware because [10]avast! > Antivirus protection is active. > > References > > 1. mailto:[email protected] > 2. mailto:[email protected] > 3. mailto:[email protected] > 4. mailto:[email protected] > 5. mailto:[email protected] > 6. mailto:[email protected] > 7. mailto:[email protected] > 8. mailto:[email protected] > 9. http://www.avast.com/ > 10. http://www.avast.com/ > > -- > Doug Lee, Senior Accessibility Programmer > SSB BART Group - Accessibility-on-Demand > mailto:[email protected] http://www.ssbbartgroup.com > "While they were saying among themselves it cannot be done, > it was done." --Helen Keller >
