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www.directhit.com/ansres/History-of-Numbers-Counting.ht...
www.directhit.com/ansres/History-of-Numbers-Counting.html
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Nature's abacus; Egyptian numbers; ... We use it for shopping, reckoning the time, counting distances and so on. ... History by the Numbers: Why Counting Matters | Peter A. Coclanis |
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www.askkids.com/resource/Ancient-Chinese-Math.html
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Edited by Shigeru Nakayama and Nathan Sivin. ... The Suan shu shu (writings on reckoning) is an ancient Chinese text on mathematics approximately seven thousand characters in length, ...
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webhome.idirect.com/~totton/soroban/THE%20ABACUS%20HAND...
webhome.idirect.com/~totton/soroban/THE%20ABACUS%20HANDBOOK.pdf
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Here is a picture of a traditional Chinese Abacus. As you can see this instrument has 2 beads above the reckoning bar and 5 beads below it. And here is a ...
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home.c2i.net/greaker/comenius/9899/contest/Comenius.htm...
home.c2i.net/greaker/comenius/9899/contest/Comenius.html
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Gerberts abacus did not get of with a good start. It was a disaster, but later it got accepted, and used in merchant and traders. Reckoning on the lines was ...
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www.sipacademy.com/index.php?option=com_content&view=ar...
www.sipacademy.com/index.php?option=com_content&view=article&id=56&catid=1
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On the 12th competition of Reckoning by Abacus of Jilin Province in October, 1995, each record of reckoning by the abacus was about 10 times higher than that ...
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history-computer.com/CalculatingTools/abacus.html
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History of Computers and Computing, Calculating tools, The abacus. ... a table on which lines marked off the different decimal orders (so called reckoning table).
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www1.chinaculture.org/created/2005-08/18/content_71984....
www1.chinaculture.org/created/2005-08/18/content_71984.htm
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The Chinese abacus andzhusuan(reckoning by the abacus) were created by a famous mathematician Cheng Dawei of theMing Dynasty(1368-1644), known ...
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www.uhuangshan.com/english/abacus.htm
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The Chinese abacus and zhusuan (reckoning by the abacus) were very important in ancient China, especially for businessmen. As a native of Land of Hui ...
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www.jstor.org/stable/2299329
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century of the Christian era as meaning an instrument of reckoning. Kaye himself (ibid., 1907, p. 488;. 1908, p. 297) says "that the abacus played a very ...
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