1 12687dd9 2023-08-04 jrmu ;; The first three lines of this file were inserted by DrScheme. They record metadata
 2 12687dd9 2023-08-04 jrmu ;; about the language level of this file in a form that our tools can easily process.
 3 12687dd9 2023-08-04 jrmu #reader(lib "htdp-intermediate-reader.ss" "lang")((modname |22.2|) (read-case-sensitive #t) (teachpacks ((lib "draw.ss" "teachpack" "htdp") (lib "arrow.ss" "teachpack" "htdp"))) (htdp-settings #(#t constructor repeating-decimal #f #t none #f ((lib "draw.ss" "teachpack" "htdp") (lib "arrow.ss" "teachpack" "htdp")))))
 4 12687dd9 2023-08-04 jrmu Exercise 22.2.1.   Define an abstraction of the functions convertCF and names from section 21.1 using the new recipe for abstraction.    Solution
 5 12687dd9 2023-08-04 jrmu 
 6 12687dd9 2023-08-04 jrmu map
 7 12687dd9 2023-08-04 jrmu 
 8 12687dd9 2023-08-04 jrmu ;convertFC : (listof number) -> (listof number)
 9 12687dd9 2023-08-04 jrmu ;Converts a list of Fahrenheit measurements to a list of Celsius measurements
10 12687dd9 2023-08-04 jrmu 
11 12687dd9 2023-08-04 jrmu 
12 12687dd9 2023-08-04 jrmu (define (convertFC lon)
13 12687dd9 2023-08-04 jrmu   (map F->C lon))
14 12687dd9 2023-08-04 jrmu (define (F->C t)
15 12687dd9 2023-08-04 jrmu   (* 5/9 (- t 32)))
16 12687dd9 2023-08-04 jrmu (convertFC lon)