The abacus is a fascinating and ancient tool with a rich history. Believed to have originated in Babylon around 2400 B.C., it has been used by various civilizations across the globe. The Chinese Suanpan and the Japanese Soroban are two of the most well-known forms of the abacus. It was the primary calculating tool for centuries before the invention of electronic calculators. Even today, it is still used in many countries and is at the heart of mental arithmetic competitions.
