Many of Egyptian innovations are still in use today like calender's forms of Geometric principles.
Explanation:
Egyptians were one of the oldest and one of the most advanced civilizations of its time.
It had been able to make advances in calendar and geometry as well as astronomy.
Its greatest asset and one that led the country in to a good civilizing process was their insistence on a system of irrigation.
Their irrigation techniques produced surplus food that was able to become the controlling power for a lot of people in the civilization and it was one of the defining features of their rule.