People often solve simple arithmetic problems, such as basic addition, subtraction, multiplication or division, in their ...

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 ...

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

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Mike Byster is one of the world’s fastest ...

Ever dreamt of solving math problems in your head with the speed of a calculator? Mental math might seem challenging, but it's a skill attainable through the right tools and techniques. The abacus, an ...

I know many computer languages, but I’ve struggled all my life to learn a second human language. One of my problems is that I can’t stop trying to translate in my head. Just like Morse code, you need ...

Aloha Bangladesh held its 18th National Abacus and Mental Arithmetic Competition on April 3 and 4 at International Convention City Bashundhara (ICCB), bringing together more than 3,400 students from ...