The abacus,also called a counting frame,is a calculating tool where beads are moved up and down and by feeling and looking at the beads, complex calculations are made. Soroban abacus is great for rapid calculation.This abacus is encased in a durable plastic frame and suspended with bamboo rods.It is a user-friendly abacus/soroban which is highly recommended for use in any math abacus/soroban course.
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