weird math errors in python 2.1.1

Marcin 'Qrczak' Kowalczyk qrczak at knm.org.pl
Thu Aug 30 12:30:45 CEST 2001


Thu, 30 Aug 2001 10:23:41 +0200, Alex Martelli <aleax at aleax.it> pisze:

>> >(just as there are some binary fp numbers that aren't
>> >decimal-representable).
>>
>> Actually, I don't think that is true, as I learned on this list. I think
> 
> Right, and that's easy to prove -- that's because 2 is a
> factor of 10, of course.

More generally: every prime factor of 2 is also a factor of 10.
E.g. all numbers representible in hexadecimal fractions are
representible in decimals as well.

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