Rate my fibonacci program

(define (fib n)
  (((lambda (x) (x x))
    (lambda (fhelp)
      (lambda (remaining cpair)
        (if (zero? remaining)
          (cdr cpair)
          ((fhelp fhelp) (sub1 remaining) (cons (cdr cpair) (+ (car cpair) (cdr cpair))))))))
      n (cons 0 1)))

>>24

Sage has nothing to do with your own comment though. Sage means "this thread is so shitty it doesn't deserve a bump". Threads regularly get bumped and brought to the top of the page all the time. Saging prevents a thread from going back up, and makes it more difficult to add new posters to the discussion.