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./https://public-media.si-cdn.com/filer/d9/33/d9338ecd-6597-4cd9-bb3d-8cf26e7999ce/mark-zero-phenom.jpg)
A circle inscribed at a temple in Gwalior, India, dating to the ninth century, had been widely considered the oldest version of zero in our system, the Hindu-Arabic.
Zero shows that there is no amount. ... Example 6 6 = 0 (the difference between six and six is zero)