(An ancient soroban
representation, Soroban Museum, Japan)
| The abacus is a counting board for matemathical opeartions. It consists of a frame and balls. The balls shows the nubers and the operations too. It is still used. (Simple operations are made on it instead of computer.) | |
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The soroban is an abacus from Japan. | |
| The soroban has more than 450 year
old history.
(An ancient soroban
representation, Soroban Museum, Japan)
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Back to the index |  |
The parts and the construction of soroban |