How was the first person to use a abacus?

The exact identity of the first person to use an abacus is unknown, as its origins date back thousands of years to ancient civilizations like the Sumerians and Egyptians around 3000 BC. The abacus likely evolved from simple counting tools such as pebbles or notched sticks used for basic arithmetic. It became a vital instrument for trade and commerce, enabling people to perform calculations efficiently. Over time, the abacus spread across cultures, adapting in design and use.