using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;

namespace?WindowsFormsApplication1
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????double?x?=?Convert.ToDouble（textBox1.Text）;

????????????const?double?ex?=?0.0000001;
????????????int?n?=?（int）Math.Sqrt（x?*?x?*?x?/?（3?*?Math.E?*?Math.Sqrt（Math.E）?*?ex））;
????????????double?erf?=?0.0;
????????????double?h?=?x?/?n;
????????????double?z;
????????????for?（int?i?=?1;?i?????????????{
????????????????z?=?h?*?i;
????????????????erf?=?Math.Exp（-z?*?z）?+?erf;
????????????}
????????????erf?=?h?*?（（Math.Exp（0）?+?Math.Exp（-x?*?x））?/?2?+?erf）?*?2?/?Math.Sqrt（Math.PI）;
????????????textBox2.Text?=?Convert.ToString（erf）;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-05-26?16:16??WindowsFormsApplication1\
?????目錄???????????0??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\
?????文件?????????962??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1.sln
?????文件???????11776??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1.v11.suo
?????文件?????????187??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\App.config
?????目錄???????????0??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\bin\
?????目錄???????????0??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\
?????文件????????9728??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe
?????文件?????????187??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe.config
?????文件???????22016??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.pdb
?????文件???????22984??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe
?????文件?????????187??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe.config
?????文件?????????490??2016-03-09?13:48??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe.manifest
?????文件????????1059??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\Form1.cs
?????文件????????2985??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\Form1.Designer.cs
?????文件????????5817??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\Form1.resx
?????目錄???????????0??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\obj\
?????目錄???????????0??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\
?????文件?????????863??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????7249??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件???????????0??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
?????文件???????????0??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
?????文件???????????0??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
?????目錄???????????0??2017-05-26?16:16??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\TempPE\
?????文件????????1464??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.csproj.FileListAbsolute.txt
?????文件?????????975??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.csproj.GenerateResource.Cache
?????文件????????2209??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.csprojResolveAssemblyReference.cache
?????文件????????9728??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.exe
?????文件?????????180??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.Form1.resources
?????文件???????22016??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.pdb
?????文件?????????180??2017-05-26?16:17??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.Properties.Resources.resources
............此處省略8個文件信息