Abacus is an instrument that was invented some 3000 years ago primarily in China, which later spread through countries like Korea, Japan, Taiwan,  Malaysia, etc. It was used in ancient times for calculating numbers through the Basic Arithmetic System. It has now been proven as a ‘Whole Brain Development’ tool overthe last two decades.Abacus became popular over the world after being transformed from a calculating instrument into a ‘Holistic Brain Development Program’, in addition, to make learning Math easy, fun and effective.