windows application

hi Amar,

agree with both of above ans.
WPF can help you to develop good looking calculator.......

Hi,

You may get the basic implementation for Calculator here in this site. But for Win7 like calc, you need to design in such a way it looks like win7 calc.

Hi amar refer this link,

http://www.c-sharpcorner.com/UploadFile/mahesh/wpf-calculator3/

http://www.c-sharpcorner.com/UploadFile/ad779a/basic-calculator-in-C-Sharp/