0 - Wikipedia 0 (zero) is a number representing an empty quantity Adding (or subtracting) 0 to any number leaves that number unchanged; in mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and complex numbers, as well as other algebraic structures
0 - Simple English Wikipedia, the free encyclopedia 0 is the integer that precedes the positive 1, and follows −1 In most numerical systems, 0 was identified before the idea of "negative integers" was accepted It means "courageous one" in hieroglyphics [source?]
Zero - Math is Fun Zero shows that there is no amount Example 6 6 = 0 (the difference between six and six is zero)
0 (number) - New World Encyclopedia 0 as a number 0 is the integer that precedes the positive 1, and follows −1 In most (if not all) numerical systems, 0 was identified before the idea of 'negative integers' was accepted
The Number 0: What It Is and How to Use It - PrepScholar What Is the Number 0? Is zero a number? Zero, or 0, is a number and the numerical digit used to represent the number 0 is widely used in mathematics, and can be used as a number in its own right, or as a placeholder in equations History
Zero -- from Wolfram MathWorld 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