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Abacus Lesson - ADD and SUB -

Abacus Lesson - ADD and SUB -

9.8 415

v3.3.1 by Hirokuma.App

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Abacus Lesson - ADD and SUB -

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About Abacus Lesson - ADD and SUB -

Abacus Lesson - ADD and SUB - (Package Name: com.hirokuma.sorobanlesson) is developed by Hirokuma.App and the latest version of Abacus Lesson - ADD and SUB - 3.3.1 was updated on July 30, 2025. Abacus Lesson - ADD and SUB - is in the category of Education. You can check all apps from the developer of Abacus Lesson - ADD and SUB -. Currently this app is for free. This app can be downloaded on Android 7.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.

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.
Imagine that you can use calculations of about 3 digits in your life without physical tools.
This app will give you the skill of calculation.
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