This image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
License
Science Museum Group Collection
© The Board of Trustees of the Science Museum
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.
Soroban Japanese abacus, with 15 digit. Purchased from Association of Teachers of Mathematics, 2001.
Plastic case for Soroban Japanese abacus, with 15 digit.
