COMPLEMENT (MATHEMATICS)

'Complement' has a variety of uses in mathematics:

★ complement, an operation that transforms an integer into its additive inverse, useful for subtracting numbers when only addition is possible, or is easier

★ complement, a system for working with signed numbers in computer science

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★ Ones' complement

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★ Two's complement

★ Complement graph

★ Complement (group theory)

★ Complement (set theory)

★ Complement operator (regular expressions)

★ Complementary angles

★ Complementary event

★ Complementary subspaces

★ Complements in Boolean algebra

★ Knot complement

★ Orthogonal complement

★ Method of complements

★ Relatively complemented lattice

★ Schur complement