Factorial of a number n is:
n! = n*(n-1)*(n-2)*...*3*2*1

Factorial Calculator is a convenient tool which helps you calculate factorial of an integer number (including large numbers) in very short time. The results can be use for studying, researching or any other purposes.

- Feature:
+ Lightweight and works fast: uses smart algorithms for calculating factorial and converting result to string. So the app performance can amaze you!
+ Short result: shows result number in scientific notation format (exponential form). You can change the minimum format number on Settings. The result that is less than this minimum will be displayed fully digits.
+ Full result: fully shows digits of factorial.
Note: if the result is more than 100,000 digits, displaying it could slown down your tasks. You can turn off showing full result on Settings to keep the app smoothly if you don't need them.
+ Instant run: you can turn on this feature on Settings if you want to compute simultaneously as you type number (without any button pressing).
+ Able to copy output.
+ Nice and modern interface, allow to choose light theme or dark theme.
+ Simple and easy to use.

- Keyword: factorial, calculator, n!, exclamation mark

Please feel free to email us at [email protected] to send feedback or help us translate the app.

Wish it would help your work!

Factorial Calculator - Developed by Universapp