logarithm

William Oughtred invented the Slide Rule

William Oughtred invented the Slide Rule

On March 5, 1574, English mathematician and Anglican minister William Oughtred was born. After John Napier [3] invented logarithms, and Edmund Gunter [6] created the logarithmic scales (lines, or rules) upon which slide rules are based, it was Oughtred who first used two such scales sliding by one another to perform direct multiplication and division; and he is credited as the inventor of the slide rule in 1622. William Oughtred born at Eton, Buckinghamshire to the Rev Benjamin Oughtred,…
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