**subtracting** — subÂ·tract || sÉ™b trÃ¦kt v. take away part of a whole, remove, deduct; deduct one number from another (Mathematics) … English contemporary dictionary

**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

**Divisibility rule** — A divisibility rule is a shorthand way of discovering whether a given number is divisible by a fixed divisor without performing the division, usually by examining its digits. Although there are divisibility tests for numbers in any radix, and… … Wikipedia

**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

**Ico** — Infobox VG title = Ico caption = The cover for all regions except North America, painted by director Fumito Ueda and inspired by the surrealist painter Giorgio de Chirico s The Nostalgia of the Infinite developer = Team Ico publisher = Sony… … Wikipedia

**Two's complement** — The two s complement of a binary number is defined as the value obtained by subtracting the number from a large power of two (specifically, from 2 N for an N bit two s complement).A two s complement system or two s complement arithmetic is a… … Wikipedia

**Pointer (computing)** — This article is about the programming data type. For the input interface (for example a computer mouse), see Pointing device. Pointer a pointing to the memory address associated with variable b. Note that in this particular diagram, the computing … Wikipedia

**Mental calculation** — comprises arithmetical calculations using only the human brain, with no help from calculators, computers, or pen and paper. People use mental calculation when computing tools are not available, when it is faster than other means of calculation… … Wikipedia

**Elementary algebra** — is a fundamental and relatively basic form of algebra taught to students who are presumed to have little or no formal knowledge of mathematics beyond arithmetic. It is typically taught in secondary school under the term algebra. The major… … Wikipedia

**Basis (linear algebra)** — Basis vector redirects here. For basis vector in the context of crystals, see crystal structure. For a more general concept in physics, see frame of reference. In linear algebra, a basis is a set of linearly independent vectors that, in a linear… … Wikipedia