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./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’s origins most likely date back to the “fertile crescent” of ancient Mesopotamia. Sumerian scribes used spaces to denote absences in number columns as early as 4,000 years ago, but the first...