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 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.
Feel is good sturdy and resistance to break.
13 bamboo rods,with 1 bead above and 4 beads on each rod
Traditional arithmetic abacus,a tool that is still fully functional
