A calculator basic help you calculate some function
File list:
Calculator_1020214
.................\Calculator
.................\..........\bin
.................\..........\...\Debug
.................\..........\...\.....\Calculator.exe
.................\..........\...\.....\Calculator.pdb
.................\..........\...\.....\Calculator.vshost.exe
.................\..........\...\.....\Calculator.vshost.exe.manifest
.................\..........\obj
.................\..........\...\x86
.................\..........\...\...\Debug
.................\..........\...\...\.....\TempPE
.................\..........\...\...\.....\Calculator.Calculator.resources
.................\..........\...\...\.....\Calculator.csproj.FileListAbsolute.txt
.................\..........\...\...\.....\Calculator.exe
.................\..........\...\...\.....\Calculator.pdb
.................\..........\...\...\.....\Calculator.Properties.Resources.resources
.................\..........\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
.................\..........\...\...\.....\ResGen.read.1.tlog
.................\..........\...\...\.....\ResGen.write.1.tlog
.................\..........\Properties
.................\..........\..........\AssemblyInfo.cs
.................\..........\..........\Resources.Designer.cs
.................\..........\..........\Resources.resx
.................\..........\..........\Settings.Designer.cs
.................\..........\..........\Settings.settings
.................\..........\Calculator.csproj
.................\..........\Form1.cs
.................\..........\Form1.Designer.cs
.................\..........\Form1.resx
.................\..........\Program.cs
.................\Calculator.sln
.................\Calculator.suo