Exclamation Mark Symbol (!)

Exclamation Mark Symbol !
Symbol Format Data
! Code Point U+0021
TeX !
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All symbols

Usage

The exclamation mark symbol is used in math to represent the factorial operator. Typically, the symbol is used in an expression like this:

In plain language, this means “take the factorial of the number five”.

Links

Factorial Factorial Operator

The factorial operator calculates the product of all positive integers up to a given number, represented by an exclamation mark. It's used for counting and arranging items, calculating permutations and combinations, and appears in probability, statistics, and calculus.

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