The numeric complement of -123 is 123.
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complement — 1. noun /ˈkɒmpləmənt,ˈkɑːmpləmənt/ a) Something (or someone) that completes; the consummation. perform all those works of mercy, which Clemens Alexandrinus calls amoris et amicitiæ impletionem et extentionem, the extent and complement of love [ … Wiktionary
two's complement — noun a) The number obtained by complementing every bit of a given number and adding one. A number and its complement add to 2, where n is the word size of the machine. The twos complement of 0xAAAA is 0x5556 on a 16 bit machine, and 0xFFFF5556 on … Wiktionary
ones' complement — noun a) The number obtained by subtracting a given n digit binary number from (which yields the same result as the logical complement). The ones complement of 0xAAAA is 0x5555 on a 16 bit machine, and 0xFFFF5555 on a 32 bit machine. b) The… … Wiktionary
logical complement — noun The number, obtained by complementing every bit of a given number, which produces all ones when exclusive ored with the given number. The logical complement of 0xAAAA is 0x5555 on a 16 bit machine, and 0xFFFF5555 on a 32 bit machine. Syn:… … Wiktionary
Ones' complement — The ones complement of a binary number is defined as the value obtained by inverting all the bits in the binary representation of the number (swapping 0 s for 1 s and vice versa). The ones complement of the number then behaves like the negative… … Wikipedia
Method of complements — Complement numbers on an adding machine c. 1910 In mathematics and computing, the method of complements is a technique used to subtract one number from another using only addition of positive numbers. This method was commonly used in mechanical… … Wikipedia
Binary-coded decimal — In computing and electronic systems, binary coded decimal (BCD) is a digital encoding method for numbers using decimal notation, with each decimal digit represented by its own binary sequence. In BCD, a numeral is usually represented by four bits … Wikipedia
Computer numbering formats — The term computer numbering formats refers to the schemes implemented in digital computer and calculator hardware and software to represent numbers. A common mistake made by non specialist computer users is a certain misplaced faith in the… … Wikipedia
Boolean algebra (introduction) — Boolean algebra, developed in 1854 by George Boole in his book An Investigation of the Laws of Thought , is a variant of ordinary algebra as taught in high school. Boolean algebra differs from ordinary algebra in three ways: in the values that… … Wikipedia
Boolean algebra — This article discusses the subject referred to as Boolean algebra. For the mathematical objects, see Boolean algebra (structure). Boolean algebra, as developed in 1854 by George Boole in his book An Investigation of the Laws of Thought,[1] is a… … Wikipedia
