Description

[ Pro version bonus ]
* No forced ads that appear every 5 minutes of play time
* Significant increase in recharge amount when watching coin recharge advertisements

[ Mental Calculation & Abacus ]
Play the best Mental Calculation and Abacus game!

* Practice with a variety of questions
* Easy tutorial for learning Abacus

What's New in Version 1.016

* The number in the number input window has been increased. (maximum 7 digits → maximum 10 digits)