Maxima - open source CAS (Computer Algebra System)

Maxima- Free open source CAS program
Platform: Windows Vista, Windows XP, Windows 2000, Linux, Mac OS
License: Free Download
Maxima is a complete computer algebra system based on a 1982 version of Macsyma. It is written in Common Lisp and runs on all POSIX platforms such as Mac OS X, Unix, BSD, and Linux as well as under Microsoft Windows. It is free software released under the terms of the GNU General Public License.
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