I haven't see it, but I talked to someone who had. It's just a graphing calculator that takes equations as input, right?
Steve
The equation editor part was derived from Milo (same author). Milo was good enough that I did my physics homework on it. It had little math smarts... it even got simple integrals wrong. But its strength was being able to do the grunge of math: commuting terms, distributing and factoring, simplifying trivial expressions without droping a sign, and as easy as dragging. For instance dragging X to the right would produce the following transformations:
drag this X right | v 2 1 (3X + 4X ) = ( - ) X
1 (3 + 4X) X = ( - ) X
1 1 3 + 4X = - ( - ) X X
1 1 3 + 4X = ( - - ) X X
1 3 + 4X = - 2 X
Just trying to type this crap in makes my skin crawl. This was seconds of work with Milo. Milo's interface was better than the GraphingCalculator in my opinion.
I remember trying to put equations into comments in Smalltalk once. Proportional fonts make it that much harder.
Go Smalltalk. Go MathMorphs!
-- Mike
P.S. do you have access to a Mac?