🧮 Abacus Simulator
Click or tap beads to move them — heaven bead slides down, earth beads slide up
Show the number
0
on the abacus
Set the abacus to the number shown, then click Check
Score: 0 / 0
How to use the Abacus Simulator
🟡
Gold bead (top)
— click to slide DOWN to the bar = 5. Click again to slide back up = 0.
🔴
Red beads (bottom)
— click any bead to activate it and all beads above it. Click an active bead to
deactivate from there up.
👆
Use the
Set
button to jump to any number instantly. Try entering 12345 and clicking Set.
📊
Right column = ones, moving left = tens, hundreds, thousands, and so on up to 100
million.
⚪
White dot
on the beam =
ones (unit point)
. Gold dots mark thousands and millions — just like a real abacus.
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