Abacus Lesson -ADD and SUB-

ADD and SUB using Abacus

Published by: Hirokazu Komatsu

Description

This is an app that you can learn addition and subtraction using an 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.
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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In-Apps

Donation Lv1 for hiding Ad
9.90 RM
Donation Lv2 for hiding Ad
19.90 RM
Donation Lv3 for hiding Ad
39.90 RM

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Abacus Lesson FAQ

  • Is Abacus Lesson free?

    Yes, Abacus Lesson is free to download, however it contains in-app purchases or subscription offerings.

  • Is Abacus Lesson legit?

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  • How much does Abacus Lesson cost?

    Abacus Lesson has several in-app purchases/subscriptions, the average in-app price is 23.23 RM.

  • What is Abacus Lesson revenue?

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User Rating

5 out of 5

20 ratings in Malaysia

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