In this educational app, users practice addition and subtraction using a virtual Soroban. Includes interactive lessons and quizzes for skill development.
AppRecs review analysis
AppRecs rating 4.5. Trustworthiness 61 out of 100. Review manipulation risk 27 out of 100. Based on a review sample analyzed.
★★★★☆
4.5
AppRecs Rating
Ratings breakdown
5 star
91%
4 star
7%
3 star
1%
2 star
0%
1 star
1%
What to know
✓
Low review manipulation risk
27% review manipulation risk
✓
High user satisfaction
91% of sampled ratings are 5 stars
About Abacus Lesson -ADD and SUB-
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.
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.
