;; The first three lines of this file were inserted by DrScheme. They record metadata
;; about the language level of this file in a form that our tools can easily process.
#reader(lib "htdp-beginner-reader.ss" "lang")((modname example1) (read-case-sensitive #t) (teachpacks ((lib "testing.ss" "teachpack" "htdp"))) (htdp-settings #(#t constructor repeating-decimal #f #t none #f ((lib "testing.ss" "teachpack" "htdp")))))
(+ 2 3)
(* 2 (+ 3 4))
-5
(+ 3 -5)
3.5
(/ 7 2)
7/2
7/3
(- (+ (* 3 4) (/ 8 7)) (- 32 (* 3 2)))
(* (+ 2 2 ) (/ (* (+ 3 5) (/ 30 10)) 2))
(+ 2 3 4 6 7)
(* 3 4 8 )
(- 10 2 3)
(sqrt 4)
(define a 3)
a
(define b 5)
(+ a b)
(define (add5 x) (+ x 5))
(add5 b)