Python 3.3.1 (default, Apr 17 2013, 22:32:14) [GCC 4.7.3] on linux

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import numpy numpy.__version__ '1.8.0.dev-d62f11d'

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numpy.array((1,2,3)) / 2 array([ 0.5,  1. ,  1.5])

#ok, but since division of integer arrays has been converted to float, pow is expected as well, but it's not:

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numpy.array((1,2,3)) ** -1 array([1, 0, 0], dtype=int32)

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numpy.array((1,2,3)) ** -2 array([1, 0, 0], dtype=int32)

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3**-1 0.3333333333333333

D.