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William Oughtred ( March 5, 1575June 30, 1660) was an English mathematician. He is credited as the inventor of the slide rule in 1622, and introduced the "×" symbol for multiplication as well as the abbreviations "sin" and "cos" for the sine and cosine functions.

Oughtred was born at Eton, and educated there and at King's College, Cambridge, of which he became fellow. Being admitted to holy orders, he left the university about 1603, and was presented to the rectory of Aldbury, near Guildford in SurreyThis is about Surrey, England. There are also articles about other uses of the name Surrey. Surrey is a county in southern England, one of the Home Counties'. It is divided into a number of districts Elmbridge, Epsom and Ewell, Guildford, Mole Valley, Rei; and about 1628Events March 1 writs were issued in February 1628 by Charles I of England that every county in England (not just seaport towns) pay ship tax by this date August 10 The Swedish 64 gun sailing ship HMS Wasa sinks on her maiden voyage September 6 Puritans se he was appointed by the Earl of ArundelThomas Howard, 21st Earl of Arundel ( July 7, 1586 October 4, 1646), was a prominent English courtier during the reigns of James I and Charles I but made his name as an art collector rather than a politician. When he died he possessed 700 paintings, and l to instruct his son in mathematics. He corresponded with some of the most eminent scholars of his time on mathematical subjects; and his house was generally full of pupils from all quarters. It is said that he expired in a sudden transport of joy upon hearing the news of the vote at WestminsterWestminster is the name of a city that covers much of central London, located to the west of the ancient City of London, and which has been the principal seat of government in England for more than nine hundred years. Both cities, and much of the surround for the restoration of Charles IICharles II ( 29 May 1630 6 February 1685) was the King of England, Scotland and Ireland from 30 January 1649 de jure or 29 May 1660 de facto until his death. Charles II's father, Charles I, had been executed in 1649 following the English Civil War; the mo.

He published, among other mathematical works, Clavis Mathematicae (The Key to Mathematics), in 1631Events February 5 Roger Williams emigrates to Boston. May 10 During the Thirty Years' War imperial troops storm the German city of Magdeburg and commit a massacre. About 20,000 inhabitants are killed. May 18 In Dorchester, Massachusetts, John Winthrop tak; a treatise on navigationThis article concerns navigation in the sense of determination of position and direction on the surface of the Earth. See Navigation (disambiguation) for other meanings. There are several traditions of navigation . Polynesian navigation The Polynesian nav entitled Circles of Proportion, in 1632See also: 1632 (novel Events February 22 Galileo's Dialogue Concerning the Two Chief World Systems is published July 23 300 colonists for New France depart Dieppe. November 16 Battle of Lutzen Christina becomes queen of Sweden; five regents, headed by Axe; works on trigonometry and dialling, and his Opuscula Mathematica, published posthumously in 1676.


This article incorporates text from the public domain 1911 Encyclopædia Britannica. 1911 Britannica

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