Abacus Lesson -Multiplication-
Multiplication using Abacus
Free · In‑App Purchases · Designed for iPad
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 is essential to be able to add with an abacus.
If you are new to addition and subtraction, we recommend that You first learn with the following app.
https://apps.apple.com/us/app/abacus-lesson-add-sub/id1526785916
This app will give you the skill of calculation of multiplication.
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The developer, Hirokazu Komatsu, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
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Information
- Seller
- Hirokazu Komatsu
- Size
- 145 MB
- Category
- Education
- Compatibility
Requires iOS 11.0 or later.
- iPhone
Requires iOS 11.0 or later. - iPad
Requires iPadOS 11.0 or later. - iPod touch
Requires iOS 11.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Donation Lv2 for hiding Ad $3.99
- Donation Lv3 for hiding Ad $8.99
- Donation Lv1 for hiding Ad $1.99
- Copyright
- © 2021 Hirokuma.App