Henry Briggs

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Briggs, Henry,

1561–1630, English mathematician. He was the first professor of geometry at Gresham College, London (1596–1619), and Savilian professor of astronomy at Oxford (from 1619). After publication of NapierNapier, John
, 1550–1617, Scottish mathematician and theologian. He invented logarithms and wrote Mirifici logarithmorum canonis descriptio (1614), containing the first logarithmic table and the first use of the word logarithm.
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's work on logarithmslogarithm
[Gr.,=relation number], number associated with a positive number, being the power to which a third number, called the base, must be raised in order to obtain the given positive number.
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 in 1614, Briggs suggested that the logarithms be tabulated to the base 10, and Napier agreed to the alteration. Briggs wrote Arithmetica logarithmica (1624), a work containing logarithmic tables for 30,000 natural numbers to 14 places. His logarithms are known today as common logarithms.
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