The abacus, also called a counting frame, is a calculating tool that was in use in the ancient Near East, Europe, China, and Russia, centuries before the adoption of the written Hindu–Arabic numeral system. The exact origin of the abacus is still unknown.
1. Enhances Concentration, Improves Counting, Mathematical Skills.
2. And Stimulate brain to calculate very shortly.
3. Simple calculation method.
4. Improving mathematical skills gives more involvement in studies and enhances good discipline behavior.