radix-minus-one complement

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radix-minus-one complement (diminished radix complement) For an integer represented in a fixed-radix number system, a number formed by replacing each digit d in the integer by its complement, i.e. by (R – 1 – d)

where R denotes the radix of the system. For example, in the decimal system the nine's complement of 0372 is 9627; in the binary system the one's complement of 1100 is 0011. See also complement number system, radix complement.

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