Mathematical+and+Scientific+Contributions

__Scientific and Mathematical Contributions__

-Ancient Egyptians known for mathematical and intellectual findings. -Created own decimal system with fractions. -Also created own phonetic writing system, written as hieroglyphs (pictorial writing). -Discovered addition, subtraction, division, and multiplication. -Knew basic characteristics of Pythagorean theory. -Knew that the side opposite of a 90-degree angle of triangle is the hypotenuse.