Abacus Official

The abacus evolved over millennia, adapting to the needs of different civilizations: The Abacus and the Numeral Frame - Smithsonian Institution

The abacus, often called the world’s first calculator, is an ancient counting tool used for performing arithmetic operations. Though modern digital devices have largely replaced it for daily calculations, it remains a vital educational instrument that fosters cognitive development, mental math skills, and tactile learning across the globe. abacus