Know Abacus 與 Abacus Exercise 使用情況與統計
Abacus is a wonderful mathematical instrument used for calculation. This app will help your children learn about Abacus, Numbers, Counting, Addition, and Subtraction. This is the first step to tap the unexploited potential in their brain and unleash their mathematical capability.
Suitable for children age 5 and up, who know about numbers and some basic addition and subtraction. For smaller children, recommend KnowNumber app.
* Counting with Abacus
* Addition/Subtraction 1 digit
* Addition/Subtraction 2 digits
* Multiplication 1-2 digits
* Division 1-2 digits
* Mental math
* Review lessons
* Unlimited random lessons
* Black/white or colorful abacus
* Learning modes
* Two-touch or multi-touch abacus
* Left-handed mode
Localized Languages:
* English, French, Spanish, Thai, Turkey, Arabic, Portuguese, and Russian
- Apple App Store
- 免費版
- 教育
商店排名
- -
This app focuses on the ease of use of the abacus on the app, and aims to realize smooth and comfortable operability.
In addition to being able to use the abacus widely on the horizontal screen, the size and position can be freely customized according to the device.
The number of digits can be used up to 15 digits, and the color and sound of the beads can also be set.
You can challenge the addition and subtraction, multiplication, division questions according to your level.
- Apple App Store
- 免費版
- 教育
商店排名
- -
Know Abacus VS. 
Abacus Exercise1月 26, 2026