File list (Check if you may need any files):
calculator
..........\calculator
..........\..........\bin
..........\..........\...\Debug
..........\..........\calculator.csproj
..........\..........\calculatorForm.cs
..........\..........\calculatorForm.Designer.cs
..........\..........\calculatorForm.resx
..........\..........\Class1.cs
..........\..........\ClassDiagram1.cd
..........\..........\Interface1.cs
..........\..........\Mycal2.cs
..........\..........\obj
..........\..........\...\Debug
..........\..........\Program.cs
..........\..........\Properties
..........\..........\..........\AssemblyInfo.cs
..........\..........\..........\Resources.Designer.cs
..........\..........\..........\Resources.resx
..........\..........\..........\Settings.Designer.cs
..........\..........\..........\Settings.settings
..........\calculator.sln