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Factorial in ActionScript 3

Here is factorial function in Actionscipt 3,

public class MyMath{
public static function factorial(index:uint) : uint {
var total:uint = index;
if(index > 0){
total += MyMath.factorial(index - 1);
return total;

To use it

Hope it helps


  1. You mean:

    total *= MyMath........

  2. In addition to DBLacis comment: Shouldn't that be if(index > 1) to avoid *0 ?

  3. And put the return to Number so it allow 20! for example..


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