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Integers are the counting numbers and their negatives . . . . . .

Internet references

Wikipedia: Integer

Mathworld: Integer

Fact archive: Integer

Math League: integers, whole numbers and their properties (Using Whole Numbers, Place value, Expanded form, Ordering, Rounding whole numbers, Divisibility tests; Operations and their properties: commutative, associative, distributive, zero property, identity, order of operations (PEMDAS))

Related pages in this website

Construction -- Construction of sets of numbers, starting with the original Peano Axioms, formulated so that zero is included in the set of natural numbers. (See Is Zero a Natural Number?)

The webmaster and author of this Math Help site is Graeme McRae.