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In 1642 Blaise Pascal who was a mathematician and a philosopher invented a so-called adding machine. As the 18-year-old son of a tax collector grew older, Pascal wanted to create a machine to assist his dad at his work.
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library.thinkquest.org/J002036F/pascal's_adding_machine...
library.thinkquest.org/J002036F/pascal's_adding_machine.htm
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This means that as each multiplicand gear rotates once, the number of teeth it has will catch the corresponding gear in Pascal's adding machine incrementing it the digit the multiplicand gear represents.
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www.agentsheets.com/Applets/pascals-adding-machine/read...
www.agentsheets.com/Applets/pascals-adding-machine/readme.html
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A prodigy in math, Blaise Pascal was a contemporary and rival of http://www.answers.com/topic/ren-descartes. In spite of years of ill health and a short life, Pascal accomplished quite a bit: he published a significant work on the geometry ...
http://wiki.answers.com/Q/Who_built_Pascal's_adding_mac...
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Fascinating facts about the invention of the adding machine by Blaise Pascal in 1642. ... The adding machine was invented by a nineteen-year-old French boy named Blaise Pascal way back in the year 1642. Blaise made it to help his father in his work. The man was a clerk, and all day long he had to do a tremendous number...
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www.ideafinder.com/history/inventions/addmachine.htm
www.ideafinder.com/history/inventions/addmachine.htm
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The works cited page to my paragraphs and pictures in my Pascal Adding Machine presentation and paragraph set. Please view these if you have read my Pascal paragraphs (which include in paragraph citations that go with these). ... The Cambridge Companion to Pascal (Cambridge Companions to Philosophy); 215 reads...
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www.scribd.com/doc/14389421/Pascal-Adding-Machine-Works...
www.scribd.com/doc/14389421/Pascal-Adding-Machine-Works-Cited-Page
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Get Embed Code; ... You need to be a member of The Geek Atlas to add comments! ... Add a Comment...
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www.geekatlas.com/video/adding-numbers-on-la-pascaline
www.geekatlas.com/video/adding-numbers-on-la-pascaline
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They included a description of a calculating machine that was similar to Blaise Pascal's device, yet Da Vinci's works pre-dated Pascal's by 150 years! ...
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users.ju.edu/ssundbe/pascal.html
users.ju.edu/ssundbe/pascal.html
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Blaise Pascal (re)invented an adding/subtracting machine in 1642 with no knowledge of Shickard's machine. Pascal made many of his machines and is therefore often thought of as the original inventor. His first machine was 14" x 5" x 3" and had 8 digits.
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www.hpmuseum.org/adder.htm
www.hpmuseum.org/adder.htm
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Blaise Pascal's adding machine: new findings and conclusions; Kistermann, F.W. Ahornstrass 8, Holzgerlingen, Germany; ... The article attempts to find out how one could have used Pascal's Adding Machine (PAM), had it ever functioned properly. In addition, this is an attempt to provide a comprehensive functional...
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ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=646211
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