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 ...

Adults tend to want their children to outgrow using their fingers to solve number problems. “The finger technique is considered to be a less intelligent way of counting and calculating,” Aditya ...

Abacus is an ancient calculating tool that can be used for various mathematical calculations like addition, subtraction, multiplication, division or even for basic counting. The design of this tool ...

KARACHI: Children lined the stage, making fists like they were ready for a fight. With goofy smiles on their faces, they looked on to their parents in the audience as the teacher read a series of ...

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, ...

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 ...