On Wednesday 16 December 2009 01:06:31 pm Ravil Bayramgalin wrote:
> http://github.com/brainopia/symbolic - for people interested in symbolic
> math in pure ruby, i would love contribution from community.

Looks like it would've been pretty useful for an idea I had awhile ago...

I ended up writing my own library. It's a mess, too, but if you find anything 
useful, go for it:

http://github.com/masover/math

It's even got a gemspec all ready to go, though I haven't published a gem for 
it.