[Python-ideas] Python Numbers as Human Concept Decimal System

[Mark H. Harris]

On Saturday, March 8, 2014 5:36:18 PM UTC-6, Alexander Belopolsky wrote:
 

> This reminded me a discussion we had with Mark Dickinson on the bug 
> tracker: "When a user is entering 0.6112295, she means 0.6112295, not 
> 0x1.38f312b1b36bdp-1 or 
> 0.61122949999999998116351207499974407255649566650390625 which are exact 
> values of the underlying binary representation of 0.6112295."
>
> http://bugs.python.org/issue8860#msg108601
>

Yes, and I certainly don't want to start up the whole underlying discussion 
again, but very simply put,  that's it !

There are two user issues:

   1) maths should not give surprises

   2) inputs should have a reasonable "expected" interpretation


marcus
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