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 ...
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, ...
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