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Task/Factorial/LiveCode/factorial.livecode

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+// recursive
+function factorialr n
+    if n < 2 then
+        return 1
+    else
+        return n * factorialr(n-1)
+    end if
+end factorialr
+
+// using accumulator
+function factorialacc n acc
+    if n = 0 then
+        return acc
+    else
+        return factorialacc(n-1, n * acc)
+    end if
+end factorialacc
+
+function factorial n
+    return factorialacc(n,1)
+end factorial
+
+// iterative
+function factorialit n
+    put 1 into f
+    if n > 1 then
+        repeat with i = 1 to n
+            multiply f by i
+        end repeat
+    end if
+    return f
+end factorialit