Mathematics for General Studies
Mathematics for General Studies MATH 1010
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This 1 page Class Notes was uploaded by Angelita Ledner on Wednesday September 23, 2015. The Class Notes belongs to MATH 1010 at Middle Tennessee State University taught by Staff in Fall. Since its upload, it has received 73 views. For similar materials see /class/212993/math-1010-middle-tennessee-state-university in Mathematics (M) at Middle Tennessee State University.
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Date Created: 09/23/15
John Napier Napier s Bones John Napier 1550 1617 The hand without a thumb is at worst nothing but an animated spatula and at best a pair of forceps whose points don t meet properly John Napier John Napier was a Scottish mathematician and inventor Napier is famous for creating mathematical logarithms creating the decimal point and for inventing Napier s Bones a calculating instrument While better known as a mathematician John Napier was a busy inventor He proposed several military inventions including burning mirrors that set enemy ships on re special artillery that destroyed everything within a radius of four miles bulletproof clothing a crude version of a tank and a submarine like device John Napier invented a hydraulic screw with a revolving axle that lowered water levels in coal pits Napier also worked on agricultural innovations to improve crops with manures and salt John Napier Mathematician As a Mathematician the highlight of John Napier s life was the creation of logarithms and the decimal notation for fractions His other mathematical contributions included a mnemonic for formulas used in solving spherical triangles two formulas known as Napier39s analogies used in solving spherical triangles and the exponential expressions for trigonometric functions In 1621 English mathematician and clergyman William Oughtred used Napier s logarithms when he invented the slide rule Oughtred invented the standard rectilinear slide rule and circular slide rule John Napier Napier39s Bones Napier s bones were multiplication tables written on strips of wood or bones The invention was used for multiplying dividing and taking square roots and cube roots Show First Board amp go into explaining how to use the table Show second Board and point out examples Explain and show quotgamequot THE END D leClConverterInpu fScwtokxlqbltt162012 14740 AM
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