Collaborative comparison engineHistory of Calculation methods for counting (Abacus, Maya...)
Last update 2010-11-26 11:11:32 
Creation date 2010-11-22 08:42:45 
Creation date 2010-11-22 08:42:45 -
- Sources
- http://commons.wikimedia.org/wiki/File:Boulier1.JPG
Posted 2010-11-26 11:11:32 by Vanina -
- List of criteria (4)
- Name, Video, Wikipedia, Civilization
Posted 2010-11-22 09:05:59 by finfin- Name
- Calculation methods for counting (Abacus, Maya...)
- List of items (3)
- Soroban abacus, Suanpan abacus, Maya numerals
- List of criteria (3)
- Name, Video, Wikipedia
Posted 2010-11-22 08:57:22 by finfin
Items history
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- Maya numerals 2010-11-22 09:14:07
- Suanpan abacus 2010-11-22 09:14:07
- Soroban abacus 2010-11-22 09:14:07