RosettaCodeData/Task/Factorial/BaCon/factorial.bacon

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2017-09-23 10:01:46 +02:00
' Factorial
FUNCTION factorial(NUMBER n) TYPE NUMBER
IF n <= 1 THEN
RETURN 1
ELSE
RETURN n * factorial(n - 1)
ENDIF
END FUNCTION
n = VAL(TOKEN$(ARGUMENT$, 2))
PRINT n, factorial(n) FORMAT "%ld! = %ld\n"