C++ Program to Make a Calculator to Add, Subtract, Multiply or Divide Using Switch Case

Aim :- Write a C++ Program to Make a Simple Menu-Driven Calculator to Add, Subtract, Multiply or Divide.

This program takes an arithmetic operator (+, -, *, /) and two operands from an user and performs the operation on those two operands depending upon the operator entered by user.
This Calculator is made by using switch case operation.

C++ Program Code :

#include <conio.h>
#include <iostream.h>
void main()
{
      int a,b,ans,ch,n=0;
      char y;
      clrscr();


      cout<<"1.Addition\t2.Substraction\t3.Multiplication\t4.Division\t5.Exit\n";
      do
      {
            cout<<"Enter your choice : ";
            cin>>ch;
            cout<<"Enter value of a & b : \n ";
            cin>>a>>b;
            switch(ch)
            {
                  case 1 : ans=a+b;
                        cout<<"Addition : "<<ans;
                        break;

                  case 2 : ans=a-b;
                        cout<<"Substraction : "<<ans;
                        break;

                  case 3 : ans=a*b;
                        cout<<"Multiplication : "<<ans;
                        break;

                  case 4 : ans=a/b;
                        cout<<"Division : "<<ans;
                        break;

                  default : exit(0);
                        break;
            }
      cout<<"\nWant To Continue y/n ";
      cin>>y;
      }while(ch>>0&&4);

      getch();
}

Output :