# casting-out nines

casting-out nines
вычисление вычета по модулю 9 (способ контроля данных)

English-Russian dictionary of computer science and programming. 2013.

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• Casting out nines — is a sanity check to ensure that hand computations of sums, differences, products, and quotients of integers are correct. By looking at the digital roots of the inputs and outputs, the casting out nines method can help one check arithmetic… …   Wikipedia

• Rollin' with the Nines — Infobox Film name = Rollin with the Nines writer = Julian Gilbey, Will Gilbey starring = Vas Blackwood Terry Stone Billy Murray Simon Webbe Jason Flemyng Robbie Gee director = Julian Gilbey producer = Geoff Austin casting director = Lee Dennison… …   Wikipedia

• Numerical digit — The ten digits of the Arabic numerals, in order of value. A digit is a symbol (a numeral symbol such as 3 or 7 ) used in combinations (such as 37 ) to represent numbers in positional numeral systems. The name digit comes from the fact that the 10 …   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

• 9 (number) — This article is about the number. For other uses, see 9 (disambiguation). 9 −1 0 1 2 3 4 5 6 7 8 9 → List of numbers Integers …   Wikipedia

• Abstraction (computer science) — In computer science, abstraction is the process by which data and programs are defined with a representation similar to its pictorial meaning as rooted in the more complex realm of human life and language with their higher need of summarization… …   Wikipedia

• Modularity — Module redirects here. For other uses, see Module (disambiguation). Modularity is a general systems concept, typically defined as a continuum describing the degree to which a system’s components may be separated and recombined.[1] It refers to… …   Wikipedia

• The Independent (film) — Infobox Film name = The Independent image size = caption = director = Stephen Kessler producer = United Lotus Group writer = Stephen Kessler Mike Wilkins starring = Jerry Stiller Janeane Garofalo Max Perlich music = Ben Vaughn cinematography =… …   Wikipedia

• Modular arithmetic — In mathematics, modular arithmetic (sometimes called clock arithmetic) is a system of arithmetic for integers, where numbers wrap around after they reach a certain value the modulus. The Swiss mathematician Leonhard Euler pioneered the modern… …   Wikipedia

• Sanity testing — A sanity test or sanity check is a basic test to quickly evaluate the validity of a claim or calculation. In mathematics, for example, when multiplying by three or nine, verifying that the sum of the digits of the result is a multiple of 3 or 9… …   Wikipedia

• Parity (mathematics) — In mathematics, the parity of an object states whether it is even or odd. This concept begins with integers. An even number is an integer that is evenly divisible by 2, i.e., divisible by 2 without remainder; an odd number is an integer that is… …   Wikipedia

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