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René Descartes

René Descartes

Maya^_^ Rajah

on 26 April 2010

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Transcript of René Descartes

René Descartes When was he born and when did he die? He was born on March 31, 1596 and died on February 11, 1650 at the age of 53. What was his nationality? He was french. Where did he live? He was born in La Haye (now Descartes), Touraine, France. Throughout his life he travelled a great deal. From 1620 to 1628 he travelled through Europe, spending time in Bohemia (1620), Hungary (1621), Germany, Holland and France (1622-23). From France he travelled to Italy where he spent some time in Venice, and then he returned to France again in 1625. By 1628 he settled down in Holland. What did he study? He studied mathematics, philosophy and physics. What is he famous for? He is famous for establishing a new, clear way of thinking about philosophy and science by rejecting all ideas based on assumptions or emotional beliefs and accepting only those ideas which could be proved by or systematically deduced from direct observation. He took as his philosophical starting point the statement -- "I think, therefore I am." Descartes made major contributions to modern mathematics, especially in developing the Cartesian coordinate system and advancing the theory of equations. What mathematics is he known for? He is known for his development of Cartesian geometry which uses algebra to describe geometry. He also "invented", the notation which uses superscripts to show the powers or exponents, for example the 4 used in x4 to indicate squaring of squaring.
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