Constants of "c"

                                             CONSTANTS

           Definition:- 
                               a number representing a quantity                                                                         
                               assumed to have a fixed value.

             Constant is divided in to 2 catagiries.
             
            > Numerical constants.
            > Charactrestical constants.
           
            Numerical constants are divided into 2 types.
            > Integer Numerical constant.
            > Real  Numerical constant.

            Charactrestical constants are divided into 2 types.
            > Single  Charactrestical constant.
            > String Charactrestical constant.