0 (number)

integer number zero; neutral element for the addition

set (in mathematics) containing no elements

year that does not exist in the Anno Domini / Common Era year-numbering system

element of the domain where function's value is zero

the result yielded by a real number when divided by zero

matrix whose entries are all 0

quality of the number zero as either even or odd

In mathematics, an element x of a ring R is called nilpotent if there exists some positive integer n such that x^n=0. The smallest such n is called the index of nilpotency or the degree of nilpotency of x.

ring element such that can be multiplied by a non-zero element to equal 0

Cartographical marker at 0°N, 0°E

zero with an associated sign

topological space that has small inductive dimension zero

an element which, when added to any element x in the set, yields x

mathematical expression with no necessarily obvious value

summation where the number of terms is zero

one of several generalizations of the number zero to other algebraic structures

unique ring consisting of one element

any 0 digit that comes before the first nonzero digit in a number string in positional notation

bi-universal property in category theory

description of non-standard dates used in calendars for various reasons

hypothesis that the total amount of energy in the universe is exactly zero

mathematical property shared by many number systems, that a product cannot be zero unless one of its factors is zero

numbering scheme using non-negative integers, where the first item is numbered 0

The Internet Protocol Version 4 (IPv4) address '''''' can have multiple uses.

glyph variant of numeral 0 (zero) with slash

game where both players can't move