Bad Math

Brian van den Broek bvande at po-box.mcgill.ca
Sat Jul 2 00:03:47 EDT 2005


Patrick Rutkowski said unto the world upon 01/07/2005 23:56:
> I started reading a python book today, one example was:
> 
> 
>>>>4 / (2.0 + 3)
> 
> 0.8
> 
> My input/output was:
> 
> 
>>>>4 (2.0 + 3)
> 
> 0.80000000000000004
> 
> Something smells fishy here... whats up?
> 
> --python 2.4.1

<http://www.python.org/doc/faq/general.html#why-are-floating-point-calculations-so-inaccurate>





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