The word "factorial" (originally French: factorielle) was first used in 1800 by Louis François Antoine Arbogast, [18] in the first work on Faà di Bruno's formula, [19] but referring to a more …

The factorial n! is defined for a positive integer n as n!=n(n-1)...2·1. (1) So, for example, 4!=4·3·2·1=24. The notation n! was introduced by Christian Kramp (Kramp 1808; Cajori 1993, …

Another later notation {\displaystyle \vert \! {\underline {\,n}}} , in which the argument of the factorial was half-enclosed by the left and bottom sides of a box, was popular for some time in …

Word History Etymology Adjective factor entry 1 + -ial (in mathematical sense after French factoriel) Noun borrowed from French factorielle, noun derivative from feminine of factoriel …

Aug 1, 2025 · Factorial Calculator. Find the factorial n! of a number, including 0, up to 4 digits long. n! factorial calculator and examples. Free online factorial calculator.

Noun [edit] factorielle f (plural factorielles) (mathematics) factorial (mathematical operation or its result)

Instructions Enter an integer 0-50,000. The calculator will compute the factorial and the number of digits it contains. What is a factorial? A factorial of N is the product of all positive integers …

Tool for computing factorials. Factorial n! is the product of all integer numbers (not zero) inferior or equal to n, it is symbolized by an exclamation point juxtaposed after the number.

Factorial represents the factorial function. In particular, Factorial [n] returns the factorial of a given number , which, for positive integers, is defined as . For n 1,2,…, the first few values are …

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