JCi Abacus-Soroban Lite

The abacus, also called a counting frame, is a calculating tool used primarily in parts of Asia for performing arithmetic processes.

Today, abacus are often constructed as a bamboo frame with beads sliding on wires, but originally they were beans or stones moved in grooves in sand or on tablets of wood, stone, or metal.

Recent changes:
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Sound effects added.
Highlight selected beads.
Showing numerical values
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Thanks to Emiko and Kazuo for your suggestions.
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