Virtual Abacus
Interactive soroban — click any bead to move it toward or away from the beam
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Rods
How to use the Soroban Abacus
🔶Upper bead = 5. Click to push toward the beam (dark = active, worth 5). Click again to push away (inactive).
🟡Lower beads = 1 each. Click any bead to activate it and all beads above it toward the beam. Click the topmost active bead to deactivate it.
📊Place values. Columns go from highest (left) to lowest (right) — ones, tens, hundreds, etc.
🔄Reset & Rods. Reset clears all beads. Change rod count for larger or smaller numbers.

