shosui https://blog.hatena.ne.jp/shosui/ SHUT THE FUCK UP AND WRITE SOME CODE https://fornext.hatenablog.com/ Ruby 明解Ｃ言語 入門編 > 2. 演算と型 > 整数と浮動小数点数 Ruby nx = 9.99 dx = 9.99 print " int 型変数nxの値：", nx.to_i, "\n" print " nx / 2：", nx.to_i / 2, "\n" print "double型変数dxの値：", dx, "\n" print " dx/2.0：", dx / 2, "\n" 実行結果 L:\>ruby l:\lesson_02_010.rb int 型変数nxの値：9 nx / 2：4 double型変数dxの値：9.99 dx/2.0：4.995 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffornext.hatenablog.com%2Fentry%2F19990511%2Fp" title=" 整数と浮動小数点数 - SHUT THE FUCK UP AND WRITE SOME CODE" 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 1999-05-11 00:00:00 rich https://fornext.hatenablog.com/entry/19990511/p 1.0 100%