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Task/Factorial/FreeBASIC/factorial.freebasic

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+' FB 1.05.0 Win64
+
+Function Factorial_Iterative(n As Integer) As Integer
+  Var result = 1
+  For i As Integer = 2 To n
+    result *= i
+  Next
+  Return result
+End Function
+
+Function Factorial_Recursive(n As Integer) As Integer
+  If n = 0 Then Return 1
+  Return n * Factorial_Recursive(n - 1)
+End Function
+
+For i As Integer = 1 To 5
+  Print i; " =>"; Factorial_Iterative(i)
+Next
+
+For i As Integer = 6 To 10
+  Print Using "##"; i;
+  Print " =>"; Factorial_Recursive(i)
+Next
+
+Print
+Print "Press any key to quit"
+Sleep