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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>SymPy</title>
<link rel="stylesheet" href="media/base.css" type="text/css" media="screen" />
<link rel="stylesheet" id="current-theme" href="media/style.css" type="text/css" media="screen" />
</head>
<body>
<div id="container">
<div id="header">
<h1><a href="index.html"> <img src="media/logo.png" style="vertical-align:middle"/> SymPy</a></h1>
<div id="main-navigation">
<ul>
<li class="active first"><a href="index.html">Main Page</a></li>
<li class=" first"><a href="download.html">Download</a></li>
<li class=" first"><a href="docs.html">Documentation</a></li>
<li class=" first"><a href="support.html">Support</a></li>
<li class=" first"><a href="screenshots.html">Screenshots</a></li>
<li class=" first"><a href="development.html">Development</a></li>
</ul>
<div class="clear"></div>
</div>
</div>
<div id="wrapper">
<div id="main">
<div class="block" id="block-text">
<div class="content">
<h2 class="title">About</h2>
<div class="inner">
<p class="first">
SymPy is a Python library for symbolic mathematics. It aims to become a
full-featured computer algebra system (CAS) while keeping the code as simple as
possible in order to be comprehensible and easily extensible. SymPy is written
entirely in Python and does not require any external libraries.
</p>
</div>
<h2 class="title">Features</h2>
<div class="inner">
<p class="first">
SymPy core capabilities include:
<ul>
<li>basic arithmetics <code>*,/,+,-,**</code></li>
<li>basic simplification (like <code>a*b*b + 2*b*a*b -> 3*a*b**2)</code></li>
<li>expansion (like <code>(a+b)**2 -> a**2 + 2*a*b + b**2</code>)</li>
<li>functions (exp, ln, ...)</li>
<li>complex numbers (like exp(I*x).expand(complex=True) ->
cos(x)+I*sin(x))</li>
<li>differentiation</li>
<li>taylor (laurent) series</li>
<li>substitution (like <code>x -> ln(x)</code>, or
<code>sin -> cos</code>)</li>
<li>arbitrary precision integers, rationals and floats</li>
<li>noncommutative symbols</li>
<li>pattern matching</li>
</ul>
</p>
<p>
Then there are SymPy modules for these tasks:
<ul>
<li>more functions (sin, cos, tan, atan, asin, acos, factorial, zeta,
legendre)</li>
<li>limits (like <code>limit(x*log(x), x, 0) -> 0</code>)</li>
<li>integration using extended Risch-Norman heuristic</li>
<li>polynomials (division, gcd, square free decomposition, groebner
bases, factorization)
<li>solvers (algebraic, difference and differential equations, and systems
of equations)</li>
<li>symbolic matrices (determinants, LU decomposition...)</li>
<li>mpmath (multiprecision floating-point arithmetic)</li>
<li>geometric algebra (GA)</li>
<li>Pauli and Dirac algebra</li>
<li>quantum physics</li>
<li>geometry module</li>
<li>plotting (2D and 3D)</li>
<li>code generation (C, Fortran, LaTeX)</li>
</ul>
</p>
</div>
</div>
</div>
<div id="footer">
<div class="block">
<p>Copyright © 2011 SymPy Development Team.
This page is open source. Fork <a href="https://github.com/sympy/sympy.github.com">the project on GitHub</a> to edit it.</p>
</div>
</div>
</div>
<div id="sidebar">
<div class="block">
<h3>Download Now</h3>
<div class="content">
<p>
Releases: <a href="http://code.google.com/p/sympy/downloads/list">Google Code downloads</a><br/>
Latest git version: <a href="http://github.com/sympy/sympy">github.com/sympy/sympy</a>
</p>
</div>
</div>
<div class="block">
<h3>News</h3>
<div class="content">
<p>
<span class="date">29 Jul 2011</span> Version 0.7.1 released (<a href="https://github.com/sympy/sympy/wiki/Release-Notes-for-0.7.1">changes</a>)<br/>
<span class="date">28 Jun 2011</span> Version 0.7.0 released (<a href="https://github.com/sympy/sympy/wiki/Release-Notes-for-0.7.0">changes</a>)<br/>
<span class="date">18 Mar 2011</span> SymPy is accepted as a <a href="http://www.google-melange.com/gsoc/org/show/google/gsoc2011/sympy">mentoring organization</a> for Google Summer of Code 2011<br/>
<span class="date">23 Oct 2010</span> New website launched at sympy.org<br/>
<span class="date">17 Mar 2010</span> Version 0.6.7 released (<a href="http://code.google.com/p/sympy/wiki/Changes">changes</a>)<br/>
<span class="date">20 Dec 2009</span> Version 0.6.6 released (<a href="http://code.google.com/p/sympy/wiki/Changes">changes</a>)<br/>
<span class="date">26 Sep 2009</span> Final page about the <a href="http://code.google.com/p/sympy/wiki/GSoC2009">2009 Google Summer of Code in SymPy</a> is
available.
</p>
</div>
</div>
<div id="quicklinks" class="block">
<h3>Quick Links</h3>
<div class="content">
<p>
<ul>
<li><a href="http://docs.sympy.org/">Documentation</a></li>
<li><a href="http://code.google.com/p/sympy/downloads/list">Downloads (source tarballs)</a></li>
<li><a href="http://code.google.com/p/sympy/wiki/DownloadInstallation?tm=2">Downloads (packages for distributions)</a></li>
<li><a href="http://groups.google.com/group/sympy">Mailinglist</a></li>
<li><a href="http://github.com/sympy/sympy">Source code</a></li>
<li><a href="http://code.google.com/p/sympy/issues/list">Issues tracker</a></li>
<li><a href="http://code.google.com/p/sympy/">Google Code Page</a></li>
<li><a href="http://github.com/sympy/sympy/wiki">Wiki</a></li>
<li><a href="http://live.sympy.org/">Try SymPy online now</a></li>
<li><a href="http://sympy.blogspot.com/">Official SymPy blog</a></li>
<li><a href="http://planet.sympy.org/">Planet SymPy</a></li>
</ul>
</p>
</div>
</div>
</div>
<div class="clear"></div>
</div>
</div>
</body>
</html>