Master your addition and subtraction skills using the abacus, the most ancient and the fastest calculation tool.
Take our unique challenge to do as many additions and subtractions on the Abacus and dodge the asteroids that come in your way. Enter the final answer before the door shuts down.
Excited? Lets see, how many levels you can clear?
Download the app from: https://itunes.apple.com/au/app/abacus-ignite/id645156001
New to Abacus? May be you should try our other app Abacus Rush https://itunes.apple.com/au/app/abacus-rush/id624530261