I am working on using GeoGebra for having students do graphing (for example using this app:
<http://ggbtu.be/m2820289>http://ggbtu.be/m2781237 ) I would like to have the graph persist after submission as in the tutorial videos ( http://www.lon-capa.org/geogebraTutorial.html <http://www.lon-capa.org/geogebraTutorial.html>see especially video 3B) However, I am checking the slope and x-intercept and so I don't have a submission box to store the coordinates of the points when the graph is submitted. Is there another way to keep the values, like setting them as a variable for Perl or something? Thank you, Jacob
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