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?科學計算器002
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????bool?but_flag?=?false;//bDot?=?truebNumBegins?=?true;
????????double?sum?=?0;
????????String?str1?=?“0123456789“;
????????String?str2?=?“+*-/^%“;
????????String?str3?=?“0123456789.“;
????????String?infstr?=?““;
????????String?ptfstr?=?““;
????????String?copy;
????????//private?void?textBox2_TextChanged（object?sender?KeyPressEventArgs?e）
????????private?void?textBox2_TextChanged（object?sender?EventArg

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-12-11?08:46??科學計算器\
?????目錄???????????0??2015-12-11?08:46??科學計算器\科學計算器002\
?????文件?????????944??2014-06-12?22:46??科學計算器\科學計算器002.sln
?????文件???????40448??2015-12-11?08:53??科學計算器\科學計算器002.v11.suo
?????文件?????????187??2014-06-12?22:46??科學計算器\科學計算器002\App.config
?????目錄???????????0??2015-12-11?08:46??科學計算器\科學計算器002\bin\
?????目錄???????????0??2015-12-11?08:46??科學計算器\科學計算器002\bin\Debug\
?????文件???????21504??2015-12-11?08:47??科學計算器\科學計算器002\bin\Debug\科學計算器002.exe
?????文件?????????187??2014-06-12?22:46??科學計算器\科學計算器002\bin\Debug\科學計算器002.exe.config
?????文件???????52736??2015-12-11?08:47??科學計算器\科學計算器002\bin\Debug\科學計算器002.pdb
?????文件???????22984??2015-12-11?08:49??科學計算器\科學計算器002\bin\Debug\科學計算器002.vshost.exe
?????文件?????????187??2014-06-12?22:46??科學計算器\科學計算器002\bin\Debug\科學計算器002.vshost.exe.config
?????文件?????????490??2013-08-06?13:34??科學計算器\科學計算器002\bin\Debug\科學計算器002.vshost.exe.manifest
?????文件???????16390??2014-06-17?08:10??科學計算器\科學計算器002\Form1.cs
?????文件???????23793??2014-06-15?18:48??科學計算器\科學計算器002\Form1.Designer.cs
?????文件????????6015??2014-06-15?18:48??科學計算器\科學計算器002\Form1.resx
?????目錄???????????0??2015-12-11?08:46??科學計算器\科學計算器002\obj\
?????目錄???????????0??2015-12-11?08:47??科學計算器\科學計算器002\obj\Debug\
?????文件????????1308??2014-06-12?23:43??科學計算器\科學計算器002\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????7079??2015-12-11?08:46??科學計算器\科學計算器002\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件???????????0??2014-06-12?22:46??科學計算器\科學計算器002\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
?????文件???????????0??2014-06-12?22:46??科學計算器\科學計算器002\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
?????文件???????????0??2014-06-12?22:46??科學計算器\科學計算器002\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
?????目錄???????????0??2014-06-12?22:46??科學計算器\科學計算器002\obj\Debug\TempPE\
?????文件????????3015??2015-12-11?08:49??科學計算器\科學計算器002\obj\Debug\科學計算器002.csproj.FileListAbsolute.txt
?????文件?????????975??2014-06-17?08:12??科學計算器\科學計算器002\obj\Debug\科學計算器002.csproj.GenerateResource.Cache
?????文件????????2209??2014-06-12?23:22??科學計算器\科學計算器002\obj\Debug\科學計算器002.csprojResolveAssemblyReference.cache
?????文件???????21504??2015-12-11?08:47??科學計算器\科學計算器002\obj\Debug\科學計算器002.exe
?????文件?????????180??2014-06-15?18:48??科學計算器\科學計算器002\obj\Debug\科學計算器002.Form1.resources
?????文件???????52736??2015-12-11?08:47??科學計算器\科學計算器002\obj\Debug\科學計算器002.pdb
?????文件?????????180??2014-06-12?23:22??科學計算器\科學計算器002\obj\Debug\科學計算器002.Properties.Resources.resources
............此處省略8個文件信息