CPL 2 - A COMMERCIAL CALCULATOR

2. Develop a program to solve simple computational problems using arithmetic expressions and use of each operator leading to simulation of a commercial calculator. (No built-in math
function)

Algorithm:

Step 1: start
Step 2: read a and b variables
Step 3: display the options
Step 4: read input choice
Step 5: choice is 1 then goto step 6, or choice is 2 then goto step 7, or choice is 3 then goto step 8, or choice is 4 then goto step 9, or choice is other then these num goto step 10
Step 6: addition of two numbers
Step 7: subtraction of two numbers
Step 8: multiplication of two numbers
Step 9: division of two numbers.
Step 10: invalid choice
Step 11: print result
Step 12: stop



FLOWCHART:( click on image to zoom )

PROGRAM:

#include<stdio.h>

void main()

{

    int a,b;

    int op;

    printf(" 1.Addition\n 2.Subtraction\n 3.Multiplication\n 4.Division\n 5.Remainder\n");

    printf("Enter the values of a & b: ");

    scanf("%d %d",&a,&b);  

    printf("Enter your Choice : ");

    scanf("%d",&op);

    

    switch(op)

    {

        case 1  :

        printf("Sum of %d and %d is : %d",a,b,a+b);

        break;

        case 2  :

        printf("Difference of %d and %d is : %d",a,b,a-b);

        break;

        case 3  :

        printf("Multiplication of %d and %d is : %d",a,b,a*b);

        break;

        case 4  :

        printf("Division of Two Numbers is %d : ",a/b);

        break;

        case 5:

        printf("Remainder of %d and %d is : %d",a,b,a%b);

        break;

        default :

        printf(" Enter Your Correct Choice.");

        break;

    }

}

OUTPUT:( click on image to zoom )