Sage open source math tool gets slashdot treatment =).

[Kym Farnik]

And free as in beer...

http://www.jsoftware.com  Think of it as an ASCII version of APL.

J is a modern, high-level, general-purpose, high-performance
programming language. J is portable and runs on Windows, Unix, Mac,
and PocketPC handhelds, both as a GUI and in a console. True 64-bit J
systems are available for XP64 or Linux64, on AMD64 or Intel EM64T
platforms. J systems can be installed and distributed for free.

-- 
Regards, Kym Farnik
mailto:kym.farnik at gmail.com
mailto:kym at farnik.com
http://www.farnik.com Trivia: My 1st Computer
http://en.wikipedia.org/wiki/IBM_1130
Phone:  +61 8 8265 5324
Mobile: 0438 014 007