Introduction - If you have any usage issues, please Google them yourself
With c# Prepared a procedure to realize the basic functions of windows calculator, the effect was not bad, you can use as a learning
Packet : 41695084jsq.rar filelist
计算器\jsq\jsq\Form1.cs
计算器\jsq\jsq\Form1.Designer.cs
计算器\jsq\jsq\Form1.resx
计算器\jsq\jsq\Form2.cs
计算器\jsq\jsq\Form2.Designer.cs
计算器\jsq\jsq\Form2.resx
计算器\jsq\jsq\jsq.csproj
计算器\jsq\jsq\obj\jsq.csproj.FileList.txt
计算器\jsq\jsq\Program.cs
计算器\jsq\jsq\Properties\AssemblyInfo.cs
计算器\jsq\jsq\Properties\Resources.Designer.cs
计算器\jsq\jsq\Properties\Resources.resx
计算器\jsq\jsq\Properties\Settings.Designer.cs
计算器\jsq\jsq\Properties\Settings.settings
计算器\jsq\jsq.sln
计算器\jsq\jsq.suo
计算器\MyNumberBox\AssemblyInfo.cs
计算器\MyNumberBox\Backup\AssemblyInfo.cs
计算器\MyNumberBox\Backup\MyNumberBox.csproj
计算器\MyNumberBox\Backup\MyNumberBox.csproj.user
计算器\MyNumberBox\Backup\MyNumberBox.sln
计算器\MyNumberBox\Backup\MyNumberBox.suo
计算器\MyNumberBox\Backup\UserControl1.cs
计算器\MyNumberBox\Backup\UserControl1.resx
计算器\MyNumberBox\MyNumberBox.csproj
计算器\MyNumberBox\MyNumberBox.csproj.user
计算器\MyNumberBox\MyNumberBox.sln
计算器\MyNumberBox\MyNumberBox.suo
计算器\MyNumberBox\obj\MyNumberBox.csproj.FileList.txt
计算器\MyNumberBox\UpgradeLog.XML
计算器\MyNumberBox\UserControl1.cs
计算器\MyNumberBox\UserControl1.resx
计算器\MyNumberBox\_UpgradeReport_Files\UpgradeReport.css
计算器\MyNumberBox\_UpgradeReport_Files\UpgradeReport.xslt
计算器\MyNumberBox\_UpgradeReport_Files\UpgradeReport_Minus.gif
计算器\MyNumberBox\_UpgradeReport_Files\UpgradeReport_Plus.gif
计算器\jsq\jsq\bin\Debug
计算器\jsq\jsq\obj\Debug
计算器\jsq\jsq\bin
计算器\jsq\jsq\obj
计算器\jsq\jsq\Properties
计算器\MyNumberBox\bin\Debug
计算器\MyNumberBox\obj\Debug
计算器\jsq\jsq
计算器\MyNumberBox\Backup
计算器\MyNumberBox\bin
计算器\MyNumberBox\obj
计算器\MyNumberBox\_UpgradeReport_Files
计算器\jsq
计算器\MyNumberBox
计算器