sage: sage (python based mathematics software)
sage:
sage: Sage is a free open-source mathematics software system licensed under
sage: the GPL. It combines the power of many existing open-source packages
sage: into a common Python-based interface.
sage: Mission: Creating a viable free open source alternative to Magma,
sage: Maple, Mathematica and Matlab.
sage:
sage: Home: http://www.sagemath.org
sage:
sage: