Contact Abacus Lesson -ADD and SUB-

Contact Abacus Lesson Support


Company Name:

About: This is an app that you can learn addition and subtraction using an abacus. An
abacus is named "Soroban" in Japan.


 
  2024-01-16

Abacus Lesson Customer Service 💢

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NOTE: If the links below doesn't work for you, Please go directly to the Homepage of Hirokazu Komatsu



Verified email ✔✔

E-Mail: [email protected]

Website: 🌍 Visit Abacus Lesson Website

Privacy Policy: https://hirokuma.blog/?p=4450

Developer: Hirokuma.App





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3 Most reported problems 😔💔

4.9 out of 5

Quick to learn

2025-03-16

by Andy9265

I learned basic addition and subtraction quickly. I’m just on lesson four, but the simple explanations are very helpful. Five stars if I were able to use if in landscape view.

Great learning tool

2025-03-17

by Jason7x7

Just needs a good English editor.

Loving the app so far!

2025-03-18

by Kianaliese

I honestly think this is such a great app. I’ve always wanted to be quick in arithmetic and one day I saw a video of kids being able to add/subtract large number within seconds and immediately knew that I wanted to learn this method. When I stumbled across this app I thought it was the perfect opportunity and I’m really enjoy it so far. Thank you to the creator of this app!!!!




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