When1: -3000
What: mathematician
Where: Mesopotamia
works\ sexagesimal number system
Detail: Sumerian sexagesimal number system was for finances, with positional notation but with no zero. They had ordinal numbers, cardinal numbers, odd and even numbers, addition, subtraction, and simple fractions. They also used lines, circles, and angles.
Mathematical Sciences>Mathematics>History>Number Theory
3-Mathematics-History-Number Theory
Outline of Knowledge Database Home Page
Description of Outline of Knowledge Database
Date Modified: 2022.0224