What if there is no power, no batteries, no mobile, computer around you and you still have to do number calculations, big numbers? Well then, you have to resort to the age old proven method, which is... The abacus.
This counting frame has been the mathematics calculation tool since the ancient times. Nobody knows the exact origin of the abacus, but it was extensively used by people almost all over the world. Even today, some merchants in some parts of Eastern Europe, west Asia etc use it.
There are many benefits of mastering the Abacus:
The earlier you learn it, the better and faster it will be for you to master the Abacus. So what are you waiting for?