Abacus Lesson -Multiplication- — ASO

By Hirokazu Komatsu on AppTrack Ninja.

Multiplication using Abacus

An abacus is named "Soroban" in Japan. Do you know what an abacus is? The abacus is very simple calculator used in China, Japan, Korea and so on. Some people may say "Isn't it an unnecessary tool if you have a calculator such as a smartphone?". Answer would be "No". The biggest difference between electric calculators and the abacus is whether you need to hold it in your hand when calculating. Because of its simplicity, you will be able to easily use the abacus in your mind. In the app, we will explain simple and fast method of the multiplication using the abacus. To learn multiplication, it i…

Categories: Education, Utilities

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