Now that digital learning is the way of the future, children and students are increasingly using online abacus platforms to expand their skill sets. Some kids have a natural aptitude for math and ...

For this series, we've been thinking a lot about some of the iconic objects that some of us remember using — if only for a short period of time — in our early schooling. Slide rules, the recorder, ...

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 ...

A Japanese abacus (soroban) held over an older style Chinese abacus (suan pan). Photograph by Forrest M. Mims IIIFORREST M MIMS 111 Photo Caption: A Japanese abacus (soroban) held over an older style ...