Ah, cool, Sir! The most graphics I have used in a math program is this:

I've never really worked on the graphics part of programs except in games... I think the reason is that I always worry about memory, so I prefer to keep the sizes small. Smaller sizes usually means less graphics.

I'll post it later, I promise.

Sorry, Precalculus, although I can take requests I'm a pretty smart person, you know

Here is the link for a triangle solver (you have to delete all the code around the solver part, though). It's created by Deep Thought, and you might need his permission:

http://www.ticalc.org/archives/files/fileinfo/427/42769.html

He said he wasn't using that method, though...

Cool. I wish I'd had these back when I was doing trig. Any chance you can make one for indefinite integration? <--- Joke. I realize this is nigh-impossible.

Actually not

About that Number->String routine, I sincerely hope it isn't the algorithm I'm thinking of, because that's an inefficient mess.

Here's the routine:
:Ans→A
" →Str0
A<0→Z
abs(A→A
While A
sub("0123456789",A-10int(A/10)+1,1)+Str0→Str0
int(A/10→A
End
sub(Str0,1,length(Str0)-1
If Z
"[negative]"+Ans

Is that tested?
EDIT: More optimized:
Ans→A
" →Str0
A<0→Z
abs(A→A
While A
int(.1A→A
sub("0123456789",A-10Ans+1,1)+Str0→Str0
End
sub(Str0,1,length(Str0)-1
If Z
"[negative]"+Ans

EDIT2: That won't actually work, because of A-10Ans, where A needs to be something different.