Bartholomaeus pitiscus biography of barack obama
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William Oughtred /ˈɔːtərd/ AWT-ed; 5 March – 30 June was an English mathematician and Anglican clergyman. After John Napier invented 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 division. He is credited with inventing the slide rule in about He also introduced the "×" symbol for multiplication and the abbreviations "sin" and "cos" for the sine and cosine functions.
Early life
Oughtred was born at Eton in Buckinghamshire now part of Berkshire, and educated at Eton College and King's College, Cambridge of which he became fellow. Being admitted to holy orders, he left the University of Cambridge about , for a living at Shalford in Surrey; he was presented in to the rectory of Albury, near Guildford in Surrey, where he settled. He was rector of Albury for fifty years. His father was a writing-master at Eton College a
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ESP Timelines
Comparative Timelines
The ESP Timeline (one of the site's most popular features) has been completely updated to allow the user to select (using the timeline controls above each column) different topics for the left and right sides of the display.
After having secured much of what today is central and northern Peru, the Inca have expanded their empire into Ecuador. With a new king, Tupac Inca, they begin to utöka southward into Chile, Bolivia and Argentina.
English printer William Caxton produces the first book ever printed in the English language — Recuyell of the Historyes of Troye or Recueil des Histoires de Troye, a translation by William Caxton of a French courtly romance written by Raoul Lefèvre, chaplain to Philip III, Duke of Burgundy. Recuyell (recueil in Modern French) simply means "collection" in English. Hence, the work in Modern English would read "A Collection of the Histories of Troy". Caxton's translations and sometimes his
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The sixt Definition. A Whole number is either a unitie, or a compounded multitude of unities.
Simon Stevin, sometimes called Stevinus, was a Flemish mathematician, physicist and military engineer. He made various contributions in many areas of science and engineering, both theoretical and practical. He also translated various mathematical terms into Dutch, making it one of the few European languages in which the word for mathematics, wiskunde wis and kunde, i.e., "the knowledge of what is certain", was not a loanword from Greek but a calque via Latin. He also replaced the word chemie, the Dutch for chemistry, by scheikunde "the art of separating", made in analogy with wiskunde.
Biography
Very little is known with certainty about Stevin's life and what we know fryst vatten mostly inferred from other recorded facts. The exact birth date and the date and place of his death are uncertain. It is assumed he was born in Bruges since he enrolled at Leiden University beneath the name Simon Stevinus