[HN Gopher] Floating Calculation in Mesopotamia [pdf]
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Floating Calculation in Mesopotamia [pdf]
Author : belter
Score : 20 points
Date : 2023-02-28 18:13 UTC (4 hours ago)
(HTM) web link (arxiv.org)
(TXT) w3m dump (arxiv.org)
| ted_dunning wrote:
| These algorithms for floating computation feel completely
| familiar (except for the base 60 part) to a user of a slide rule.
|
| For instance, there is the completely separate method for
| addition/subtraction versus multiplication/division. With a slide
| rule, you do addition by longhand but multiplication on the slide
| rule. With Mesopotamian math, you have one notation for numbers
| you add and another for numbers you multiply.
|
| Also, the thing with scale being very fluid. With a slide rule,
| you always have order of magnitude in the back of your head. Same
| with SPGN.
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(page generated 2023-02-28 23:02 UTC)