3 ms·You can program the graphing Casio ones as wellby circuit10 3y agoYou can program the graphing Casio ones as welldfox 3y agoThe TIs have much more sane programming language than Casios.circuit10 3y agoI’ve never tried the built in one, I compile C or C++ to native code. You also have Python available but it’s not that good (e.g. the font size is too big)