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Abacus Lesson - ADD and SUB -
About Abacus Lesson - ADD and SUB -
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.
Recent Updates - Version 3.1.5
- fixed minor bug.
How To Download & Play:
1. Download & Install AppKiwi
2. Download Abacus Lesson - ADD and SUB - APK
3. Launch from APK Library