This is awesome; let me direct HN'ers to Sage (<a href="http://www.sagemath.org" rel="nofollow">http://www.sagemath.org</a>), which uses SymPy, and which is also very cool. It is (mostly?) written in Python, is available as a library, and it always welcomes contributors.<p>EDIT: I believed that Sage and SymPy duplicated a lot of the same functionality, but as two commenters pointed out (and as I verified for myself), Sage relies on SymPy and other libraries for its engine whenever it can. I stand corrected!
I do not want to troll, I'm just surprised and confused, why is this on HN frontpage?<p>Sympy is arguably the most popular symbolic calculus library in any language. If anyone thinks of symbolic calculus, sympy is the first thing coming to mind.<p>How is this news? I was excited when I saw the title, I thought I would find a new alternative.