Calculator in ASP.NET

Display Windows Calculator in ASP.NET on Button Click Event.

Include the name space in you webform and Write the code on Button Click. System.Diagnostics.Process.Start("Application Name");

Process.Start invokes the process from system32 directory.

using System.Diagnostics;

 protected void btnCalculator_Click(object sender, EventArgs e)
        {
            System.Diagnostics.Process.Start("calc.exe");
        }