faktoriaalia
Faktoriaalia, often referred to as factorial in English, is a mathematical operation represented by an exclamation mark (!). It is defined for non-negative integers. The factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. For example, 5! equals 5 × 4 × 3 × 2 × 1, which results in 120.
By definition, the factorial of zero (0!) is equal to 1. This convention is important for various
The concept of factorial is fundamental in many areas of mathematics. It appears in the formula for