Calculate the factorial of a number, returning 0 if that number is less than 0. A factorial is the product of an integer and all the non-zero or non-negative integers less than it.


Field Definition Type Required
number Numerical value whose factorial is calculated. Number TRUE


Field Definition Type
output Result of a factorial calculation for a specified value. Number


Factorial of 5 is 120 (5 x 4 x 3 x 2 x 1)

Factorial of 8 is 40320 (8 x 7 x 6 x 5 x 4 x 3 x 2 x 1)

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