Calculating Derivatives?

[William Park]

> > Is there any python source that relates to calculating derivatives?
> > I'd like to try writing software that does this (for polynomials), but
> > I don't know where to start.  any resources or help would be greatly
> > appreciated.  thanks.

For polynomials, do it by hand.  Or, read "Section 3" of
    http://www.python.org/topics/scicomp/recipes_in_python.html

--William