Mathematical term for the number that, when added to a given number, yields a specified base or modulus. Common in computing and number theory.
In decimal, the complement of 3 is 7.
Computers use two's complement to represent negative numbers.
complementer
complement base
complementer; complement circuit
complementary operation
complement operator
diminished radix complement; radix-minus-one complement
From 補 (supplement, make up for) + 数 (number). A straightforward kanji compound for the mathematical concept of a complement.