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William Oughtred (5 March 1574 – 30 June 1660), [1] also Owtred, Uhtred, etc., was an English mathematician and Anglican clergyman. [2] [3] [4] After John Napier discovered logarithms and Edmund Gunter created the logarithmic scales (lines, or rules) upon which slide rules are based, Oughtred was the first to use two such scales sliding by one another to perform direct multiplication and ...
His earliest published work Grammelogia was dedicated to Charles I.It was attacked in William Oughtred's Circles of Proportion (1631), on grounds of plagiarism: Oughtred had taught Delamaine, and considered that the work simply reproduced his mathematical instruments without any serious understanding of the theory on which they depended. [1]
Clavis mathematicae (English: The Key of Mathematics) is a mathematics book written by William Oughtred, originally published in 1631 in Latin.It was an attempt to communicate the contemporary mathematical practices, and the European history of mathematics, into a concise and digestible form.
The book contains a double scale, logarithmic on one side, tabular on the other. In 1630, William Oughtred of Cambridge invented a circular slide rule, and in 1632 combined two handheld Gunter rules to make a device that is recognizably the modern slide rule.
Henry Briggs (1 February 1561 – 26 January 1630) was an English mathematician notable for changing the original logarithms invented by John Napier into common (base 10) logarithms, which are sometimes known as Briggsian logarithms in his honour.
Oughtred or Ughtred is an Anglo-Saxon English given name and surname. It means "son of Uhtred", being derived from the old English Ūhtrǣd composed of the elements uht "twilight, dusk" and ræd "advice". It may refer to the following people: Given name. Uhtred of Bamburgh (died 1016), Anglo-Saxon warlord
Benjamin Taylor has a thing for Willa Cather. This year, the 150th anniversary of her birth, he has written a passionate love letter to her in the form of a brief but illuminating biography.
On 5 March 2020, Cornwell announced on social media that the 13th book, War Lord, would be the final novel in the series. [5] Following is a list of the novels with their UK publication years. The Last Kingdom (2004) The Pale Horseman (2005) The Lords of the North (2006) Sword Song (2007) The Burning Land (2009) Death of Kings (2011) The Pagan ...