Factorial Calculator

An online calculator to calculate factorial of a number. The factorial of a positive integer n is defined by

n ! = n*(n-1)*(n-2)....2*1

How to use the calculator

1 - Enter a positive integer n and press "enter".


More Math Calculators and Solvers.

and also

Factorial Questions with Solutions. Tutorials on evaluating and simplifying expressions with factorial notation.

Additional Info