Answer:
Math: A number system for counting and solving written problems, mainly fractions and multiplication.
Science: metal working, including working with copper and gold:
glass-blowing:
knowledge of anatomy and medicine;
invention of a calendar;
the standardisation of measurement;
paper-making from papyrus reeds;
Technology:
Paper, writing and libraries.
Structures and construction.
Navigation and ship building.
Irrigation and agriculture.
Glassworking.
Medicine.
Astronomy.
The wheel.