Contents

コマンドラインから2つの引数を受け取って数値に変換し、その和、差、積、商を表示するプログラムを作成せよ。


- 変数

変数名 = オブジェクト


- .to_i

変数名 = オブジェクト.to_i

オブジェクトの直後に記述することで、そのオブジェクトを数値に変換する。
ARGVは引数を文字列として受け取るため、そのままでは計算には使えないことに注意。

Version data entries

35 entries across 24 versions & 1 rubygems

Version	Path
ruby_learner-1.2.9	contents/takahashi/sample_prog/question/2_2.org
ruby_learner-1.2.8	contents/takahashi/sample_prog/question/2_2.org
ruby_learner-1.2.7	contents/takahashi/sample_prog/question/2_2.org
ruby_learner-1.2.6	contents/takahashi/sample_prog/question/2_2.org
ruby_learner-1.2.5	contents/takahashi/sample_prog/question/2_2.org
ruby_learner-1.2.4	contents/takahashi/sample_prog/question/2_2.org
ruby_learner-1.2.3	contents/takahashi/sample_prog/question/2_2.org
ruby_learner-1.2.2	contents/takahashi/sample_prog/question/2_2.org
ruby_learner-1.2.1	contents/takahashi/sample_prog/question/2_2.org
ruby_learner-1.2.0	contents/takahashi/sample_prog/question/2_2.org
ruby_learner-1.1.15	takahashi/sample_prog/question/2_2.org
ruby_learner-1.1.14	takahashi/sample_prog/question/2_2.org
ruby_learner-1.1.13	takahashi/sample_prog/question/2_2.org
ruby_learner-1.1.11	questions/sequential_check/section_2/part_2/lib/sentence.org
ruby_learner-1.1.11	takahashi/sample_prog/question/2_2.org
ruby_learner-1.1.10	questions/sequential_check/section_2/part_2/lib/sentence.org
ruby_learner-1.1.10	takahashi/sample_prog/question/2_2.org
ruby_learner-1.1.9	questions/sequential_check/section_2/part_2/lib/sentence.org
ruby_learner-1.1.9	takahashi/sample_prog/question/2_2.org
ruby_learner-1.1.8	questions/sequential_check/section_2/part_2/lib/sentence.org