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17th century
- English mathematician and clergyman Reverend William Oughtred and others developed the slide rule in the 17th century based on the emerging work on logarithms by John Napier. It made calculations faster and less error-prone than evaluating on paper.
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English mathematician and clergyman Reverend William Oughtred and others developed the slide rule in the 17th century based on the emerging work on logarithms by John Napier. It made calculations faster and less error-prone than evaluating on paper.
slide rule, a device consisting of graduated scales capable of relative movement, by means of which simple calculations may be carried out mechanically. Typical slide rules contain scales for multiplying, dividing, and extracting square roots, and some also contain scales for calculating trigonometric functions and logarithms.
- The Editors of Encyclopaedia Britannica
The History of the Slide Rule. About Mathematician William Oughtred (1574 to 1660) ihoe / Getty Images. By. Mary Bellis. Updated on February 16, 2019. Before we had calculators we had slide rules. The circular (1632) and rectangular (1620) slide rules were invented by an Episcopalian minister and mathematician William Oughtred.
The first one was built by William Oughtred, a cleric teaching math in England in the 1600s. It was based on John Napier's discovery of logarithms. In its simplest form, the slide rule adds and...
The Mathematics Collection in the National Museum of American History contains over 200 slide rules, one manufacturer's display on how a slide rule is made, nearly 30 replacement and broken parts, and over 40 pieces of documentation for the collection, such as instruction manuals and warranties.
The slide rule's origins can be traced to the British mathematician Edmund Gunter (1581-1626). Gunter distinguished himself through the design of calculating devices, and was the first to use logarithmic scales for physical instruments.
AHB2013q009218. The Mathematics Collection in the National Museum of American History contains over 200 slide rules, one manufacturer's display on how a slide rule is made, nearly 30 replacement and broken parts, and over 40 pieces of documentation for the collection, such as instruction manuals and warranties.
