ABACUS | NAVAVISION It is a Chinese Method of calculation used for calculating basic arithmetic operations . Abacus h elp s to im prove Speed & Accuracy, Listening & Observation Skill, Analytical Skill, Self Confidence and Concentration. www.navavidya.com For calculating basic arithmetic operations abacus is used and its also called a counting frame which was used in Europe, China and Russia before the adoption of the Hindu aerobic system. It has now been proven as a complete brain development tool over the last two decades. Abacus became popular over the world after being transformed from a calculating instrument into a system having immense power to benefit children from an early age by expanding the brain development to making Mathematics learning easy and effective. Benefits of Abacus are:- Build a foundation for mathematics. Use of the right side of the brain. Improve writing and listening. Visualization and imagination.