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From: Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject: Re: 1-0.95
Date: Wed, 02 Jul 2014 00:00:01 +0100
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On 01/07/2014 22:17, Pedro Izecksohn wrote:
> pedro@microboard:~$ /usr/bin/python3
> Python 3.3.2+ (default, Feb 28 2014, 00:52:16)
> [GCC 4.8.1] on linux
> Type "help", "copyright", "credits" or "license" for more information.
>>>> 1-0.95
> 0.050000000000000044
>>>>
>
>    How to get 0.05 as result?
>
>    bc has scale=2 . Has Python some similar feature?
>

Asked and answered roughly one trillion times.  Try searching for python 
floating point, not that this is specific to python.

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence

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