Daniel Nogradi wrote:

> I'm just getting started with numpy/scipy and first would like to get

> a view of what it can do and what it can't. The main idea is to move

> from maple to python and the first thing that poped up is the fact

> that maple is very convenient for both formal manipulations and exact

> integer calculations. For instance if a matrix has integer entries and

> the eigenvalues are integers maple can find these exactly.

>

> Can numpy/scipy do this? Or the eigenvalues will always be floating

> point numbers?
Have a look at SAGE (Software for Algebra and Geometry Experimentation)

http://www.sagemath.org/
Jaap