On 25 ago, 12:40, David Cournapeau <courn... at gmail.com> wrote: > On Wed, Aug 25, 2010 at 10:59 PM, Carlos Grohmann > Thanks David and Hrvoje. That was the feedback I was looking for. I am using numpy in my app but in some cases I will use math.pow(), as some tests with timeit showed that numpy.power was slower for (x*x*x*x*x). best Carlos