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44 lines
837 B
Markdown
44 lines
837 B
Markdown
# Function factorial
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Compute the factorial of a value
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Factorial only supports an integer value as argument.
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For matrices, the function is evaluated element wise.
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## Syntax
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```js
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math.factorial(n)
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```
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### Parameters
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Parameter | Type | Description
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--------- | ---- | -----------
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`n` | Number | BigNumber | Array | Matrix | Boolean | null | An integer number
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### Returns
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Type | Description
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---- | -----------
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Number | BigNumber | Array | Matrix | The factorial of `n`
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## Examples
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```js
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math.factorial(5); // returns 120
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math.factorial(3); // returns 6
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```
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## See also
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[combinations](combinations.md),
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[gamma](gamma.md),
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[permutations](permutations.md)
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