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What is the Factorial Calculator?
The Factorial Calculator computes the factorial of a non-negative integer n, denoted as n!. It is the product of all positive integers less than or equal to n.
How to Use This Calculator
1
Enter a non-negative integer (n).
2
Click 'Calculate' to see the result.
Example Calculation
n = 5
5! = 5 * 4 * 3 * 2 * 1 = 120.
Frequently Asked Questions
Pro Tips
- Factorials are commonly used in permutations and combinations.
- The number of ways to arrange n distinct objects is n!.