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 ...

Vinaya Kulkarni said she believes she has the program that will help grade-school age children gain confidence and competence in arithmetic. Kulkarni is the founder and head teacher of Abacus West, ...

Apple’s abacus emoji is wrong. Or, technically not “wrong” per se, in that you can probably still use it do math if you actually know how to use an abacus (I do not). But still, that ever useful emoji ...