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 ...

PORTLAND, Ore. — Nearly two decades ago, Miwako Sakabayashi opened the doors to her Portland-area Japanese Abacus Math School. Today, Sensei Miwako continues to teach local kids how to tackle math ...

TOKYO -- An app developed in Japan for people to learn the abacus-method of math calculation skills is gaining global popularity, with more than 8,000 students at home and abroad using the app to ...