An abacus and mental arithmetic competition was held in Okayama Prefecture in late August. In the "Flash Anzan" event, 15 ...

No calculators allowed here — students who receive vision services from the Iowa Educational Services for the Blind and Visually Impaired took part in Iowa's first Abacus Bee on Saturday. The Abacus ...

FORT LEE — For 10 seconds, a series of 50 random three-digit numbers flashed on the screen. After another second, abacus master Jeonghee Lee announced she'd finished the mental addition, correctly ...

Tejas Mittal attends Calderwood Primary School in Livingston ...