Abacus Lesson - ADD and SUB - Free Download. Mod Apk [Hack]

Screenshots

Game screenshot Abacus Lesson - ADD and SUB - mod apk

Game screenshot Abacus Lesson - ADD and SUB - hack

Game screenshot Abacus Lesson - ADD and SUB - apk download

Description

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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Version history

3.1.7

Updated target API level to 33.

3.1.6

Updated libraries

3.1.5

Feb 2, 2023

fixed minor bug.

3.1.4

Nov 14, 2022

Fixed a problem that can not be started on Android12 or higher

3.1.2

Aug 4, 2022

updated library

All contents can be used free of charge in this application.
Added the feature to set sound effect on/off. Abacus operation sound and other sound effects can be set individually.

3.1.0

March 16, 2022

All contents can be used free of charge in this application.
Added the feature to set sound effect on/off. Abacus operation sound and other sound effects can be set individually.

2.0.9

January 31, 2022

All content is free for this application, but since there was a request to remove advertisements, we added a feature to delete advertisements by purchasing as donate.

2.0.8

January 17, 2022

Fixed minor bugs.
Improved operability of the abacus

2.0.7

December 20, 2021

Fixed an issue that beads would make a sound with just a touch.

2.0.5

November 5, 2021

added introduction of division lesson app.
fixed typo.