Child's hand using a Japanese abacus (soroban) also known as counting frame.
Close up of a child´s hand on the beads of a Japanese abacus (Soroban). An Abacus or counting frame is an instrument used for performing arithmetic processes.
Size: 3861px × 2574px
Photo credit: © Viewpoint / Alamy / Afripics
License: Licensed
Model Released: Yes
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