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-advanced-reader.ss" "lang")((modname |33.1|) (read-case-sensitive #t) (teachpacks ((lib "draw.ss" "teachpack" "htdp") (lib "arrow.ss" "teachpack" "htdp") (lib "gui.ss" "teachpack" "htdp"))) (htdp-settings #(#t constructor repeating-decimal #t #t none #f ((lib "draw.ss" "teachpack" "htdp") (lib "arrow.ss" "teachpack" "htdp") (lib "gui.ss" "teachpack" "htdp")))))
 4 12687dd9 2023-08-04 jrmu ;add : N -> inexact
 5 12687dd9 2023-08-04 jrmu ;Adds up #i1/185 n times.
 6 12687dd9 2023-08-04 jrmu 
 7 12687dd9 2023-08-04 jrmu (define (add n)
 8 12687dd9 2023-08-04 jrmu   (cond
 9 12687dd9 2023-08-04 jrmu     [(= n 1) #i1/185]
10 12687dd9 2023-08-04 jrmu     [else (+ #i1/185 (add (sub1 n)))]))
11 12687dd9 2023-08-04 jrmu 
12 12687dd9 2023-08-04 jrmu sub : inexact or number N -> N
13 12687dd9 2023-08-04 jrmu Determines the number of times that 1/185 can be subtracted from n0.  The accumulator represents the number of times that 1/185 has been subtracted from n0 to give n1.
14 12687dd9 2023-08-04 jrmu 
15 12687dd9 2023-08-04 jrmu (define (sub n0)
16 12687dd9 2023-08-04 jrmu   (local ((define (sub-accu n1 accumulator)
17 12687dd9 2023-08-04 jrmu             (cond
18 12687dd9 2023-08-04 jrmu               [(zero? n) ...]
19 12687dd9 2023-08-04 jrmu               [else ...])))
20 12687dd9 2023-08-04 jrmu     (sub n0 ...)))