# sympy

https://github.com/sympy/sympy

## Python

A computer algebra system written in pure Python

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## Help out

- Issues
- solve(M*x + N*y, x) fails for non-commutative symbols
- How to convert sympy expression into a postfix expression?
- Simple integral hangs
- system of linear equations with singular matrix
- symbolic function implementation for solveset
- implementing transcendental equation solver for solveset
- solveset() doesn't support symbolic functions yet
- Symbolic probability expressions as random variables if conditional expression is random
- Rubi integrator
- match can take a long time (possibly forever)
- Floor and ceiling functions do not integrate
- Introduce a constants module
- solve system solution depends on the definition of the symbols
- Issue with definite piecewise integration
- raising ValuError if symbol is constant
- Try out CircleCI for tests
- Deprecated CCodePrinter
- Solveset doesn't solve for a number
- Vectors with non-trivial coefficients can't be printed
- physics.vector.printing.test_printing refactored & TODO's resolved

- Docs