ledsun https://blog.hatena.ne.jp/ledsun/ @ledsun blog https://ledsun.hatenablog.com/ C# .NET FrameworkではRound関数は四捨五入ではなく、JIS丸め*1という方式をとっています。次のように四捨五入とは違う結果が返ってきます。 using System; using System.Data; using NUnit.Framework; using NUnit.Framework.SyntaxHelpers; [TestFixture] public class RoundSample { [Test] public void 四捨五入() { Assert.That(Math.Round(0.5), Is.EqualTo(0.0)); //JIS丸め Assert… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fledsun.hatenablog.com%2Fentry%2F20090424%2F1240559507" title="Round関数の四捨五入とJIS丸め - @ledsun blog" 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 2009-04-24 16:51:47 rich https://ledsun.hatenablog.com/entry/20090424/1240559507 1.0 100%