First of all please don't laugh :-) I am learning! I am posting a little bit of code I wrote all by myself. I would like to know how I can draw a line at the same time I am getting my two points for the getdist function. Make sense? If not let me know. Thanks! (defun c:n () (prompt "Pick between to spots: ") (setq a (getdist)) (prompt "Enter elevation: ") (setq b (getreal)) (prompt "Enter elevation: ") (setq c (getreal)) (setq d (- b c)) (setq e (/ d a)) (prompt "Enter elevation: ") (setq f (getreal)) (prompt "Enter elevation: ") (setq g (getreal)) (setq h (- f g)) (setq i (/ h e)))