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 ...

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 ...