How to Calculate Using Japanese Abacus (Soroban) Part 1
Oct 17, 2014 · In Japanese language, the abacus is called soroban. In this tutorial, we are going to learn how to use the soroban. In Japan, students start learning how to use abacus formally in the third grade. Believe it or not, in these modern time, some tellers in Japan still use abacus.
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