Counting us Fun on an Abacus

Ancient Tool Actively Used in Modern Times
The Abacus provides countable beads for children to visualize numbers on a base-10 system. The children learn to manipulate those beads to perform arithmetic calculations such as addition and division.
What Is An Abacus?
Etymology
The word is derived from the Greek word ‘abax’, meaning “calculating board” or “calculating table”.
Usage
It is still commonly used today across certain Asian communities.
Invention
The first Abacus was invented around 500 B.C. The Abacus, as we know it today, was used around 1300 A.D
First Computer
Often referred to as the first computer, the Abacus is an instrument used to add, subtract, multiply and divide, to calculate fractions and square roots.