"This application, according to the site, is "[a] free and open
source Courseware Management System. It features a set of software
tools designed to help instructors, researchers and students
collaborate online in support of their work--whether it be course
instruction, research or general project collaboration.
This is a free Open Source mathematics software written in python.
The mission of sage is to create a viable, free and open source
alternative to Magma, Maple, Mathematica and Matlab."
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