Abacus Simulator vs Abacus Lesson -ADD and SUB-使用状況と統計
Count faster with Abacus! Build your mental math skills with our interactive exercises. From basic to advanced calculations, we got you covered! It is easy, fun, and free!
Why Abacus?
Guided lessons - step-by-step tutorials on every level.
Sharpen skills - improve focus, speed, and accuracy through our daily exercises.
Fun - customize your abacus and have fun with it!
- Apple App ストア
- 無料
- 教育
ストアランキング
- -
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.
- Apple App ストア
- 無料
- 教育
ストアランキング
- -
Abacus Simulator VS. 
Abacus Lesson -ADD and SUB-1月 5, 2025