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 ...

CAMP ZAMA, Japan (March 29, 2013) -- Youth members of the John O. Arnn Elementary School Soroban Club counted their way to success at the 15th annual American and Japanese Children's Soroban ...

SASEBO NAVAL BASE, Japan — No beeping, battery-powered gadgets were allowed at a mathematics competition for high school and elementary students held here this week. Instead, the young whizzes ...

TOKYO -- An app developed in Japan for people to learn the abacus-method of math calculation skills is gaining global popularity, with more than 8,000 students at home and abroad using the app to ...