Egyptian Number System
Even though it is not as advanced or even as useful as the Hindu-Arabic system, the Egyptian number system deserves a spot on any ranking of the greatest early mathematical accomplishments. It is a significant turning point in human history because math had previously only been utilized for simple counting. Egypt was the first culture, or at least the first society that is known about, to apply mathematical computations for everyday chores including taxes, flood prediction, registering property ownership, and cooking thanks to the number system.
Although it was a significant mathematical advance, the Egyptian number system wasn't appropriate for more sophisticated and abstract calculations. Though it employed hieroglyphic symbols for higher powers rather than a positional, place-value system, which rendered huge, complex computations impossible, it was based on factors and multiples of ten, just like the current system.