【實用教育app】Soft Abacus|最夯免費app-綠色工廠好玩App

“Soft Abacus” is the closest replica of Japanese Abacus ( Soroban ) for your smart device. Helps you to do calculations exactly the way you do in an actual abacus. Size of the bead is adjusted for the smooth movements and to fit with your finger tip for easy touch movements. Beads can be moved either by tap or by touch movements. Resetting of abacus is done through swiping at the center beam.