"Patrick" <patrick.fichou at galactica.it> writes: > Does someone knows where is the 'real.py' module that seems very useful and > fast for number crunching ? The link on the Python Homepage is not valid ( > ftp://ftp.python.org/pub/python/contrib/Math/real-accurate.pyar ). Do you mean NumPy (Numeric Python)? Check www.vex.net/parnassus in the math section :)