Slide Rule
The slide rule is an analog device for performing mathematical computations. The first slide rule was created in 1630 by British mathematician
William Oughtred (1574–1660). His devic...
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Slide Rule
Pocket calculators only came into common use in the 1970s. Digital computers first appeared in the 1940s, but were not in widespread use by the general public until the 1980s. Before pocket...
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Slide Rule
A slide rule is a hand-held, manually operated calculating tool that allows the user to perform multiplication, division, exponentiation, extraction of roots, and various other algebraic op...
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Slide Rule
With the publication of logarithmic tables by John Napier (1550-1617) in 1614, astronomers and mathematicians were freed from much of the drudgery long associated with their professions. So...
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Slide Rule
With the publication of logarithmic tables by John Napier (1550-1617) in 1614, astronomers and mathematicians were freed from much of the drudgery long associated with their professions. So...
Read more
Slide Rule
Slide Rule
Slide Rule
Slide Rule
Slide Rule