HAEBARU TOWN, Okinawa — A 6-year-old Japanese girl stood with her back to Defense Department students gathered Thursday to learn about the Japanese abacus, or soroban, at the Tsukazan Community Center ...
An abacus and mental arithmetic competition was held in Okayama Prefecture in late August. In the "Flash Anzan" event, 15 ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This abacus has an open wooden frame ...
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