More this factorial calculator

There are many Math contexts in which the use of factorials is relevant, especially in the field of Probability and Combinatorial, as the factorial of a number is related with the number of was $n$ objects can be organized.

The formula for $n!$ is:

$$n! = n \cdot (n-1) \cdot (n-2) \cdots 2 \cdot 1$$

Notice that when $n$ becomes large, the calculation of $n!$ is more computationally involved. Typically, for large values of $n$, you would use Stirling's Approximation , which provide a very accurate approximation.

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