Soroban Japanese abacus, 2001.

Made:
2001 in Japan

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Soroban Japanese abacus, with 15 digit and plastic case. Purchased from Association of Teachers of Mathematics, 2001.The Japanese abacus or soroban is a derivation of the Chinese abacus or suan pan, but has one bead above the bar and four below for decimal calculation. The bead above is worth 5 units, the beads below are worth 1.

Details

Category:
Mathematics
Object Number:
2001-279
Materials:
bamboo, complete, plastic
Measurements:
overall (estimate): 20 x 150 x 50 mm
type:
abaci (japanese)
credit:
Association of teachers of Mathematics
status:
Permanent collection

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