sympy: sympy (Python library for symbolic mathematics) sympy: sympy: SymPy aims to become a full-featured computer algebra system (CAS) sympy: while keeping the code as simple as possible in order to be sympy: comprehensible and easily extensible. SymPy is written entirely in sympy: Python and does not require any external libraries. sympy: sympy: Homepage: https://sympy.org sympy: sympy: sympy: