Online Abacus
Interactive abacus — click beads to count and calculate.
Value: 0
How to use the online abacus
Click on beads to move them. Beads moved toward the centre bar count toward the total. Each rod represents a decimal place: ones, tens, hundreds, thousands and so on. The top bead (heaven bead) counts as 5; bottom beads (earth beads) count as 1 each.