History of Calculation methods for counting (Abacus, Maya...)

Last update 2010-11-26 11:11:32

Creation date 2010-11-22 08:42:45

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  Vanina on 2010-11-26 11:11:32Report

  Fonti

  http://commons.wikimedia.org/wiki/File:Boulier1.JPG

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  Vanina on 2010-11-26 11:11:13Report

  Immagine

  

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  finfin on 2010-11-22 09:15:03Report

  Estratto

  Compare Boulier Soroban contre boulier Suanpan abacus contre calcul Maya

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  finfin on 2010-11-22 09:14:07Report

  Nome

  Méthodes de calcul pour compter (Boulier, Maya...)

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  finfin on 2010-11-22 09:08:57Report

  Estratto

  Compare Soroban abacus vs Suanpan abacus vs Maya numerals

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  Public

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  Public

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  finfin on 2010-11-22 09:05:59Report

  List of criteria (4)

  Nome, video-gqmmqzn, Wikipedia, Civilization

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  finfin on 2010-11-22 08:57:22Report

  Nome

  Calculation methods for counting (Abacus, Maya...)

  List of items (3)

  Soroban abacus, Suanpan abacus, Maya numerals

  List of criteria (3)

  Nome, video-gqmmqzn, Wikipedia