The abacus is considered the oldest calculating device used by humans but in the 1940s, a Korean man invented an abacus-like counting method using fingers called jisanbeop or chisanbop, a term that ...

A learning center is teaching kids, aged three to 13 years old, how to learn and better appreciate math with the use of an abacus, a manual computing device, that helps them keep track of numbers and ...

What's the News: Most of us need everyone to stop talking when we perform mental math. But for children trained to do math visually with a "mental abacus," verbal disturbances roll off their backs, ...

In a note to teachers, the director of education has said Delhi government schools should teach mathematics using the abacus and by the Vedic mathematics method. Image used for representative purpose ...

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 ...