`abacus` ile İlgili Madde Sonuçları

The abacus is one of the oldest calculating tools developed to perform arithmetic operations such as addition, subtraction, multiplication and division. It typically consists of beads arranged on parallel rods or wires placed within a rectangular frame. Each bead represents a different place value—units, tens, hundreds, thousands—depending on its position. Moving the beads toward one side of the rod indicates the value of the corresponding place. The structured and visual representation provided