# Zero

Fulfils a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraic structures.

### Historical Notes

**~3000BC***Babylonians begin to use a sexagesimal number system - this is a place-value system without a zero place value.***876BC***A symbol to represent zero was first used in India.***~700***Mathematicians in the Mayan civilization introduce a symbol for zero into their number system.***950***Gerbert of Aurillac (later Pope Sylvester II) reintroduces the abacus into Europe. He uses Indian/Arabic numerals without having a zero.***1149***Al-Samawal writes al-Bahir fi'l-jabr - he develops algebra with polynomials using negative powers and zero.***~1200***Chinese start to use a symbol for zero.*

**Subjects: ** Algebra