Ehren https://blog.hatena.ne.jp/Ehren/ Keep on moving https://masahito.hatenablog.com/ 一人勉強会 SICP 例題1.1.7 (define (average x y) (exact->inexact (/ (+ x y) 2))) (define (improve guess x) (average guess (exact->inexact (/ x guess)))) (define (good-enough? guess x) (< (abs (- (square guess) x)) 0.001)) (define (sqrt-iter guess x) (if (good-enough? guess x) guess (sqrt-iter (improve guess x) x))) (d… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmasahito.hatenablog.com%2Fentry%2F20090223%2F1235401478" title="第一章（2） - Keep on moving" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2009-02-23 00:04:38 rich https://masahito.hatenablog.com/entry/20090223/1235401478 1.0 100%