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, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback