Factorial Calculator

Calculate the factorial of a non-negative integer. Perfect for math, programming, and combinatorics.

Enter Your Number

Enter a number to calculate its factorial

• Use for combinatorial calculations

• Helpful for probability and statistics

• Ideal for math and programming education

• Verify input for accurate results

• Mathematics: Calculate permutations and combinations

• Programming: Implement factorial-based algorithms

• Education: Teach factorial concepts

• Statistics: Use in probability calculations

• Enter non-negative integers only

• Avoid large numbers (e.g., >170) due to system limits

• Ensure input is a whole number

• Check results for large inputs carefully