I've been looking at the whole realm of graphing and whatnot, and i've seen tools through which a blind person could produce graphs (such as a blindness compass, ruler, and protractor, all they would need would be a tactile or Braille grid to work with), and in my school system (as in many others) you MUST pass Algebra 1, and Algebra 2, and in some cases Geometry, all three of which look at graphs in some detail, especially Algebra 2 and Geometry at some point. So I was thinking about developing a Scientific Calculator MENU with KeyPlus, but also a program along the lines of a "Key Graph" application. In Key Graph you could enter your coordinates or linear or quadratic equations, and then the BrailleNote would plot these on an audio form of the graph where a person could type in the coordinates and then "see" the point or intersection, and also would have the ability to print the graph for their math teacher. Any thoughts on this? I know KeyPlus just recently got to the point of supporting fractions, and I was thinking this may be useful, especially for those of us on the list who are in highschool.
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