Lately, I've been messing around on my calculator creating some programs. And since I hate the TI website as it's so disorganized, I thought I'd create a little thread here with programs in it. It's also easier for me to type them in than to transfer the program. So, post any kind of game or app that you've made for your calculator in BASIC. Anyway, I'll add the first one.
Code::Disp "LOWER" :Prompt A :Disp "UPPER" :Prompt B :Disp "RECTANGLES?" :Prompt C :(B-A)/C -> D :A -> E :0 -> X (That's zero) :While E<B :(Y1(E)-Y1(E+D))/2 -> F :(F*D)+X -> X :E+D -> E :End :Disp "AREA:" :Disp X