python rounding problem.

Grant Edwards grante at visi.com
Tue May 9 21:34:41 CEST 2006


On 2006-05-09, Thomas Bartkus <thomasbartkus at comcast.net> wrote:

>>> Even base 60 makes more sense if you like it when a lot of
>>> divisions come out nice and even.
>>
>> Did they actually have 60 unique number symbols and use
>> place-weighting in a manner similar to the arabic/indian
>> system we use?
>
> I don't know.

I googled around a while last night, and they ahd sort of a
hybrid notation.  The Sumerians started withindividual "tic
marks" up to 9, and symbols for 10, 60, 600, 3600 and so on.
That evolved into the Babylonian base-60 position-weighted
system (without a zero symbol) that used only the 1 symbol and
the 10 symbol.

http://it.stlawu.edu/%7Edmelvill/mesomath/sumerian.html
http://www.ancientscripts.com/sumerian.html
http://www-gap.dcs.st-and.ac.uk/~history/HistTopics/Babylonian_numerals.html

> I do know that we have 360 degrees in a circle

And 60 seconds in a minute, 60 minutes in a hour (for both time
and angles), and 60 minutes in a degree.

-- 
Grant Edwards                   grante             Yow!  PARDON me, am I
                                  at               speaking ENGLISH?
                               visi.com            



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