SymPy is a symbolic manipulation package, written in pure Python. Its aim is to become a full featured CAS in Python, while keeping the code as simple as possible in order to be comprehensible and easily extensible. Currently, Sympy has only around 1600 lines of code (including comments), and its capabilities include basic arithmetics, basic simplification, series expansion, functions (exp, ln, sin, cos, tan, etc.), differentiation, integration (currently it can do only very simple integrals), basic substitution, arbitrary precision integers and rationals, standard (Python) floats, basic complex numbers, and symbolic limits.
License: BSD License (revised)
Changes:
The latex printer has been rewritten, preview now
uses a built-in pyglet
instead of pygame, square root denesting has been
implemented, a parser
of simple Mathematica expressions has been added,
the TeXmacs interface
has been written, SymPy objects should work in
numpy arrays now, and the
handwritten sympify() parser has been rewritten
and simplified using
Python AST.
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