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Hirokazu Komatsu
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".
当前在 Apple 公共 App Store 页面可见的项目，可能不等同于 App Store Connect 中的完整目录。
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 division using the abacus.
To learn division, it is essential to be able to add, sub, and multiplication with an abacus.
If you are new to them, we recommend that you learn addition subtraction multiplication with the app in my app list first.
This app will give you the skill of calculation of division.
根据最新观测到的 App Store 数据快速解答。
最新观测到的下载价格为 Free。请打开 App Store 官方链接确认当前结算价格。
Apple 公开页面目前在该商店显示 0 个购买项目，公开列表可能不完整。
