The first recorded use of zero in maths occur in Indian around the ninth century.
Source: BBC's "Story of Maths" second episode, and "The Story of One"
http://en.wikipedia.org/wiki/Khmer_numbers The number 605 in Khmer numerals, from the Sambor inscriptions in 683 AD. The earliest known material use of zero as a decimal figure.
There was a mini series on BBC3 or 4 recentlyabout the history of maths. My memories not great but I think zero was instituted first in India.
Zero is not used as the divisor when dividing with the process of division.
Maths and the concept of zero by Aryabhatta
It is the additive identity for the real (and complex) numbers.
without maths world is a big zero
This usually refers to numbers that are less than zero.
A zero on its own does mean nothing. But a zero has an important place to play in spacing in maths, as in 1,000 for one thousand, or 0.02, and so on.
All numbers is important to math because without numbers, there is no math.
It has infinite length and zero measure in any other direction.
kinetic energy is zero when the body is at rest.
Zero.
0 K or zero Kelvins, it is about the same as saying absolute zero.