History of the Slide Rule
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Description: Basic facts involving the development of the slide rule. Includes diagrams and links to information on various types of slide rules.
In 1614, John Napier discovered the logarithm which made it possible to perform multiplications and divisions by addition and subtraction. (ie: a*b = 10^(log(a)+log(b)) and a/b = 10^(log(a)-log(b)).)
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| Page title: | Slide Rules |
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| Date | Creation Date: 1998-01-31T05:00:00Z Expiry Date: 2017-01-30T05:00:00Z |