Zero shows that there is no amount. ... Example 6 6 = 0 (the difference between six and six is zero)
Zero is the integer denoted 0 that, when used as a counting number, means that no objects are present. It is the only integer (and, in fact, the only real number) that is neither negative nor positive.
Zero is both a number and a concept denoting the absence of quantity. It is represented by the symbol “0” and plays a foundational role in arithmetic, algebra, computing, and scientific measurement.
Is zero a number? Check out our complete guide to the number 0 to understand how it works in math.