Calculation methods for counting (Abacus, Maya...)
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Compare Soroban abacus vs Suanpan abacus vs Maya numerals
Compare Soroban abacus vs Suanpan abacus vs Maya numerals
Link | Soroban abacus | Suanpan abacus | Maya numerals |
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Video | |||
Wikipedia | wikipedia.org/... | wikipedia.org/... | wikipedia.org/... |
Civilization | Japanese | Chinese | Maya |
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