# sympy

https://github.com/sympy/sympy

## Python

A computer algebra system written in pure Python

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## Help out

- Issues
- Add functionality to crypto module
- Units broken in 1.0.1 (master branch)
- Simplify constant coefficients
- Non-commutative multiply triggers inappropriate substitutions
- Matrix Norm for order 1 under development
- Matrix norm for order 1 added.
- problem with polygamma or im
- Can't solve limit(x**2 + x*sin(x) + cos(x), x, -oo)
- solve() with Dummy(real=True) outputs non-reals
- solve() with Dummy(real=True) suppresses reals
- manualintegrate of sec(4*x)**2 doesn't give tan(4*x)/4
- Fourier Series of sqrt(x**2) and integrate(cos(k*x)*sqrt(x**2), x) are wrong
- _nsort can handle results of length 1
- Issue 12544 Sum(cos(1/n) - 1, (n, 1, oo)).is_convergent() issue
- Integration fails unless I do it a step at a time
- Fixing issues 12532 and 12533.
- Polynomial function
- problems in sum function
- List of modulo operator sequence does not work
- Current state of multivariable stats distributions

- Docs