10-10-2011 A Very Simple Calculator

/*Can say this program a simple Calculator*/

#include <stdio.h>

#include <conio.h>

int main()

{

   

    int dig1 = 0 , dig2 = 0 , opert;

    /*Declaring veriables in float for division operation*/

       float dig1f = 0, dig2f = 0;

    while (opert != 5)

        {

            printf("Please enter first digit: ");

            scanf("%d",&dig1);

            printf("\nPlease enter 2nd the digit: ");

            scanf("%d",&dig2);

            /*assigning same values to float variables*/

                     dig1f = dig1;

                     dig2f = dig2;

           

                     /*Showing Instructions*/

                     printf("\n\n\t\tInstructions\n");

            printf("\n______________________________________________\n");

            printf("\nTo add both digits enter 1\n");

            printf("\nTo subtract 2nd digit from first enter 2\n");

            printf("\nto multiply both digits enter 3\n");

            printf("\nTo divide first digit by 2nd enter 4\n");

            printf("\nTo quit enter 5\n\n");

           

                     /*Taking input for operation*/

                     scanf("%d",&opert);

                     /*Printing results*/

                     switch (opert)

            {

                case 1:

                     printf("\n\n%d + %d = %d\n\n\n",dig1, dig2, dig1 + dig2);

                     break;

                case 2: 

                     printf("\n\n%d - %d = %d\n\n\n",dig1, dig2, dig1 - dig2);

                     break;

                case 3:    

                     printf("\n\n%d x %d = %d\n\n\n",dig1, dig2,dig1 * dig2);

                     break;

                case 4:    

                     printf("\n\n%f / %f = %f\n\n\n",dig1f, dig2f, dig1f / dig2f);

                     break;

                

            }

                     /*rerunning the loop to rerun program*/

            continue;

        }   

    getche();

    return 0;

}