The Abacus is a very interesting tool for calculating. Firstly, it makes it easy for children to understand the meanings of numbers and perform calculations. As a result, all simple and complex calculations can be done using it. Even decimal number calculations can be done using the Abacus. One question we, at Supermaths, frequently encounter is how to use an Abacus. And the fact is that the parents are as interested in knowing the working of the Abacus a