Recently, I was assigned a project that involves drawing a picture on a TI-83 plus calculator using lines, conics and parabolas. Does anyone know if there's a program I can download that allows me to draw a picture in, say, paint, then copy the picture onto a coordinate plane system, with the lines and conics identified in linear equation form?
Seriously, wouldn't it be a lot easier just to use the TI-83's built-in graphing features? Drawing lines, conics et.c. is simply a matter of plugging in the equation for the curve in y=f(x) form. I'd start by pressing the GRAPH button or by reading the manual rather than fiddling with Paint.
I have a friend who used to make games and stuff on the TI-83. He even has a website dedicated to just that. A shame he hasn't updated it since 1997. Also I forgot what the url is.
What I'm really trying to say is that I'm of no use to you at all whatsoever.
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My Wife has one. With it came a CD PACKed with stuff. A second CD came packed with even more stuff (programs from non-TI authors). Alas, we lent the 2nd CD to someone and it got lost. But the first CD we still have. On it there was a "background template" with gridlines. Maybe you should start looking on the OEM CD or at least start looking at TIs´homepage. 1998 you could download all on the CDs from the TI pages as well, but at that time the iNet was still not that widespread and thus TI still included CDs with their programmable calculators.
Nothing more to say right now (especially since the calculator is still packed in one of the moving cartons).