The word is derived from the Greek word ‘abax’, meaning “calculating board” or “calculating table”.
The first Chinese Abacus was invented around 500 B.C. The abacus, as we know it today, was used in China around 1300 A.D. Often referred to as the first computer, the Abacus is an instrument used to perform arithmetic calculations and is still used today in places like China, Japan and Russia.
Abacus instrument allows performing basic operations like Addition, Subtraction, Multiplication and Division. It can also carry out operations such as counting up to decimal places, calculates sums having negative numbers etc. Abacus help to improves Calculation Speed, Recall Speed, Visualization, Concentration, Ability to Multitask etc….