Abacus Lesson - ADD and SUB -
Hirokuma.App
4.8 ★
7K ratings
100,000+
downloads
Free
+ in-app
In this educational app, you can learn addition and subtraction using a virtual abacus. Includes practice exercises and progress tracking features.
AppRecs review analysis
AppRecs rating 3.9. Trustworthiness 64 out of 100. Review manipulation risk 35 out of 100. Based on a review sample analyzed.
★★★☆☆
3.9
AppRecs Rating
Ratings breakdown
5 star
91%
4 star
5%
3 star
3%
2 star
1%
1 star
1%
What to know
✓
High user satisfaction
91% of sampled ratings are 5 stars
⚠
Review quality concerns
40% of sampled 5-star reviews are very short
About Abacus Lesson - ADD and SUB -
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.
◆Twitter
https://twitter.com/p4pLIabLM00qnqn
◆Instagram
https://www.instagram.com/hirokuma.app/
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.
https://twitter.com/p4pLIabLM00qnqn
https://www.instagram.com/hirokuma.app/
