Know Abacus!

Abacus is a wonderful mathematical instrument used for calculation. This app will help your children learn about Abacus, Numbers, Counting, Addition, and Subtraction. * Counting with Abacus* Addition/Subtraction 1 digit* Addition/Subtraction 2 digits* Multiplication 1-2 digits* Division 1-2 digits* Mental math* Review lessons* Unlimited random lessons* Black/white or colorful abacus* Learning modes* Two-touch or multi-touch abacus * Left-handed modeLocalized Languages:* English, French, Spanish, Thai, Turkey, and Arabic