Another post has been discussing standards used in measuring an observable. We attach a number as a value to use to create other numbers. So I thought I would open a discussion on the standard or reality of Zero. If Zero is a standard but not a reality it would have to be the most important standard we have for all other figures we arrive at rely upon it..So am I right in saying that mathematics is founded on an standard that actually by it's absolute nature can not exist because it is zero or nothing. How can Zero be arrived at in the form of formula? Only as a imaginary concept I would suggest, certainly not as an absolute reality. So if it dosn't exist is it a valid standard?