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

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Last update 2010-11-26 11:11:32

Compare Soroban abacus vs Suanpan abacus vs Maya numerals

	Soroban abacus	Suanpan abacus	Maya numerals

Video	https://www.youtube.com/watch?v=Px_hvzYS3_Y	https://www.youtube.com/watch?v=CvsnftXXKdw	https://www.youtube.com/watch?v=cVPOSvPNn28
Wikipedia	http://en.wikipedia.org/wiki/Soroban	http://en.wikipedia.org/wiki/Suanpan	http://en.wikipedia.org/wiki/Maya_numerals
Civilization	Japanese	Chinese	Maya

Creator 2010-11-22 08:42:45
Last contributor 2010-11-26 11:11:32
Category Education
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Excerpt Compare Soroban abacus vs Suanpan abacus vs Maya numerals
Sources http://commons.wikimedia.org/wiki/File:Boulier1.JPG
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