Abacus - Simple Soroban Abacus 1.1
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ABOUT Abacus - Simple Soroban Abacus
A simple soroban abacus that also shows the number representing the value of each column. An abacus is a tool that has been used since ancient times to calculate. Calculations with numbers in the millions have been performed using the abacus, showing that it is a powerful tool. Mental math can be performed incredibly accurately by those who have mastered the abacus. And after witnessing some incredible mental math skills by a person who has used an abacus during his early years as a salesman, I decided to create a "beginner's abacus" based on the soroban abacus, which is a Japanese variant of the abacus. I hope this app will be of use to many people who are starting some interest in the abacus. [ Usage ] : = swipe up/down on the beads to make them move. = Shake the device to reset the beads. = Numbers on the top show the "actual" numbers of each column