Awesome Kids Solve Maths Calculations Shaking Their Fingers In The Air

Awesome kids solve maths calculations shaking their fingers in the air

These Indian kids don't need a calculator to solve mathematical operations in just seconds. They do it all in their heads using a mental abacus -- an old Asian technique that allows them to visualise an imaginary abacus and operate it to perform the calculations.

This video explains how it works -- just don't pay attention to the exaggerated marketing statements: