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: