On 1/4/07, Gregory Brown <gregory.t.brown / gmail.com> wrote:
> On 1/4/07, M. Edward (Ed) Borasky <znmeb / cesmail.net> wrote:
>
> > Mathematica is definitely fun, but expensive fun. Axiom is as much fun
> > and is open source. :)
>
> Octave is fun and free too :)
>
> My other vote would be for Brainf*ck... good masochistic fun.
>

Zed introduced me to this the other day, and it looks like a good time:
http://factorcode.org/