exam2.1.1

;; mht created on Nov 8, 2011

;; sqr : number -> number
;; to compute the square of a number
(sqr 24)

;; sin : number -> number
;; to compute the sine of an angle
(sin 1)

;; max : number, number -> number
;; to determine the bigger one between n-1 and n-2
(max 2 3)