Development
William Stein realized when designing Sage that there were many open-source mathematics software already written in different languages, namely C, C++, Common Lisp, Fortran and Python.
Rather than reinventing the wheel, Sage (which is written mostly in Python and Cython) integrates many specialized mathematics software into a common interface, for which a user needs to know only Python. However, Sage contains hundreds of thousands of unique lines of code adding new functions and creating the interface between its components.
Sage development uses both students and professionals for development. The development of Sage is supported by both volunteer work and grants.
Read more about this topic: Sage (mathematics Software)
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