The function FACT returns the factorial of a given Number.

This function takes a Number as input. It returns another Number: the factorial of the given Number.

Declaration

FACT(number) -> factorial

 

Parameters

number (required, type: Number)
Any Number.
If given a Number that is not an integer, FACT will return the factorial of the given Number, rounded down to the nearest integer.

Return Values

number (type: Number)
The factorial of the given Number.

Examples

The following example calculates the factorial of 4:

FACT(4) -> 24

If given a Number that is not an integer, FACT will return the factorial of the given Number, rounded down to the nearest integer. The following example demonstrates what happens if FACT is given 4.9 as input; note that the returned value is exactly the same as in the above example, when 4 was given as input:

FACT(4.9) -> 24

 

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