1.sympy / sympyA computer algebra system written in pure Pythonpythonmathcomputer-algebrasciencehacktoberfestPythonOther license15K total5.6K forks+272 starsfrom 14,797 · score 5.61
2.symengine / symengineSymEngine is a fast symbolic manipulation library, written in C++mathcomputer-algebrac-plus-plusC++Other license1.4K total318 forks+31 starsfrom 1,395 · score 3.47