Question

Write the short note on abacus

Answer 1

Explanation:

make my brainliest

Answer 2

Answer:

HOPE IT HELPS AND IF SO PLEASE MARK ME AS THE BRAINLIEST

Explanation:

An abacus is a manual aid to calculating that consists of beads or disks that can be moved up and down on a series of sticks or strings within a usually wooden frame. The abacus itself doesn't calculate; it's simply a device for helping a human being to calculate by remembering what has been counted.