Hi, I'm having a problem with exp(): >>>import Numeric >>>a = Numeric.array([-800+0j])*Numeric.ones(10) >>>Numeric.exp(a) results in"OverflowError: math range error" I had expected to get the cmath.exp() result: >>> import cmath >>> cmath.exp(-800+0j) 0j anyone knows what I'm doing wrong ? Pieter