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Exercises

For each of the following expressions try to predict what the evaluator will return. Then type them in, see what happens and try to explain any differences.

  1. (+ 3 5 6)
  2. (+ (- 1 2) 3)
  3. '(+ 3 5 6)
  4. '( + (- 1 2) 3)
  5. (+ (- (* 2 3) (/ 6 2)) 7)
  6. 'x
Remember, to quit from XLISP-STAT choose Quit from the File menu or type (exit).


Luke Tierney
Tue Jan 21 15:04:48 CST 1997