4 hundred quadrillonth?

Christian Heimes lists at cheimes.de
Thu May 21 23:36:04 CEST 2009


seanm.py at gmail.com schrieb:
> The explaination in my introductory Python book is not very
> satisfying, and I am hoping someone can explain the following to me:
> 
>>>> 4 / 5.0
> 0.80000000000000004
> 
> 4 / 5.0 is 0.8. No more, no less. So what's up with that 4 at the end.
> It bothers me.

Welcome to IEEE 754 floating point land! :)

Christian




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