Python 1.5 (#5, Sep 14 1998, 17:26:48) [GCC 2.7.2.3] on linux2 Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam >>> import Numeric >>> Numeric.__version__ '1.4' >>> a = Numeric.array((0.,0.)) >>> a**2 array([ 0., 0.]) >>> a = Numeric.array((0,0)) >>> a**2 Traceback (innermost last): File "<stdin>", line 1, in ? OverflowError: math range error