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Subject: Floating point multiplication in python
Date: Tue, 6 Sep 2011 13:57:31 +0800
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:12812

hi all:

As we know ,  1.1 * 1.1 is 1.21 .=20
But in python ,I got following :

>>> 1.1 * 1.1
1.2100000000000002

why python get wrong result? Who can tell me  where's the =
0.0000000000000002 from?=