Soroban (source code)
= Soroban
{wiki=Soroban}
A Soroban is a traditional Japanese abacus used for performing arithmetic calculations. It consists of a rectangular frame with rods, each containing a number of movable beads. The Soroban typically has a unique structure: each rod contains one bead above a horizontal bar, which represents five units, and four beads below the bar, each representing one unit. The Soroban is used for addition, subtraction, multiplication, and division, and it is a highly effective tool for mental calculations and enhancing numerical skills.
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