content: sub main()
      time = createObject("roTimeSpan")
      time.mark()
      print fib(25) ' 13 seconds (1.6 Mac Intel)
      ' print fib(27) ' 31 seconds (1.6 Mac Intel)
      ' print fib(30) ' 131 seconds (1.6 Mac Intel)
      seconds = time.totalSeconds()
      print "Time taken: "; seconds; " seconds"
  end sub
  
  function fib(n as integer) as integer
      if n < 2
          return n
      end if
      return fib(n - 1) + fib(n - 2)
  end function