I'm having problems using Numerical Py on a Mac... I've used the standard Python 1.5.1 installer (custom install including NumPy) that is SUPPOSED to install NumPy properly, and added NumPy to the PythonPath... but still getting errors. Mostly, it can't find multiarray.py and umath.py (I've run the macmkalias.py script too).... what am I missing here? Thanks, Kevin Cazabon.