The value of 0! is 1, according to the convention for an empty product. The factorial operation is encountered in many areas of mathematics, notably in combinatorics, algebra, and mathematical analysis. Its most basic occurrence is the fact that there are n! ways to arrange n distinct objects into a sequence (i.e., permutations of the set of objec...

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• (a.) Related to factorials. • (n.) A name given to the factors of a continued product when the former are derivable from one and the same function F(x) by successively imparting a constant increment or decrement h to the independent variable. Thus the product F(x).F(x + h).F(x + 2h) . . . F[x + (n-1)h] is called a factorial term, and it...

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1. Of or pertaining to a factory. ... 2. <mathematics> Related to factorials. ... <mathematics> A name given to the factors of a continued product when the former are derivable from one and the same function F(x) by successively imparting a constant increment or decrement h to the independent variable. Thus the product F(x).F(x + h).F(x...

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*adjective* of or relating to factorials

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**Fac·to'ri·al** * adjective* ** 1.** Of or pertaining to a factory.

* Buchanan.* ** 2.** * (Math.)* Related to factorials.

Found on http://www.encyclo.co.uk/webster/F/2

Factorial is a name in mathematics given to the factors of a continued product when the former are derivable from one and the same function F(x) by successively imparting a constant increment or decrement h to the independent variable. Thus the product F(x).F(x + h).F(x + 2h) . . . F[x + (n-1) h] is called a factorial term, and its several factors ...

Found on http://www.probertencyclopaedia.com/browse/AF.HTM

in mathematics, the product of all positive integers less than or equal to a given positive integer and denoted by that integer and an exclamation ... [2 related articles]

Found on http://www.britannica.com/eb/a-z/f/2

Of a positive number, the product of all the whole numbers (integers) inclusive between 1 and the number itself. A factorial is indicated by the symbol `!`. Thus 6! = 1 × 2 × 3 × 4 × 5 × 6 = 720. Factorial zero, 0!, is defined as 1

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The function, denoted n!, that is the product of the positive integers less than or equal to n. For example, 1! = 1; 5! = 5 × 4 × 3 × 2 × 1 = 120; 10! = 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 = 3628800. 0! is defined to be 1, by working the relationship n! = n × (n-1)! backward. An interesting equal...

Found on http://www.daviddarling.info/encyclopedia/F/factorial.html

The product of all whole numbers less than or equal to a number.For example, factorial 5, written 5!, is equal to .Factorial zero is defined as 1.

Found on http://www.diracdelta.co.uk/science/source/f/a/factorial/source.html

Type: Term Pronunciation: fak-tōr′ē-ăl Definitions: 1. Pertaining to a statistical factor or factors. 2. Of an integer, that integer multiplied by each smaller integer in succession down to one, written n!; 5! equals 5 ׀ 4 ׀ 3 ׀ 2 ׀ 1 = 120.

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[

*adj]* - of or relating to factorials 2. [n] - the product of all the integers up to and including a given integer

Found on http://www.webdictionary.co.uk/definition.php?query=factorial

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