C++ Program to Make Simple Calculator

This c++ program performs operations of simple calculator. This c++ program performs addition, subtraction, multiplication and division operations using do-while loop and switch statement. 

C++ Program to Make Simple Calculator

#include<iostream>

#include<stdlib.h>

#include<conio.h>

using namespace std;

int main()

{

    float a, b, c;

    char ch;

    do

    {

        system("cls");

        cout<<"\n1. Addition";

        cout<<"\n2. Subtraction";

        cout<<"\n3. Multiplication";

        cout<<"\n4. Division";

        cout<<"\n5. Exit";

        cout<<"\n\nEnter your choice: ";

        int choice;

        cin>>choice;

        switch(choice)

        {

            case 1:

                cout<<"\n\nEnter two numbers: ";

                cin>>a>>b;

                c = a+b;

                cout<<"Sum of "<<a<<" and "<<b<<" is "<<c;

                break;

            case 2:

                cout<<"\n\nEnter two numbers: ";

                cin>>a>>b;

                c = a-b;

                cout<<"Difference between "<<a<<" and "<<b<<" is "<<c;

                break;

            case 3:

                cout<<"\n\nEnter two numbers: ";

                cin>>a>>b;

                c = a*b;

                cout<<"Product of "<<a<<" and "<<b<<" is "<<c;

                break;

            case 4:

                cout<<"\n\nEnter two numbers: ";

                cin>>a>>b;

                c = a/b;

                cout<<"Quotient is "<<c;

                break;

            case 5:

                exit (0);

            default:

                cout<<"\nYou have entered a wrong choice\nPlease try again";

        }

        cout<<"\n\nDo you want to continue (Y/N):";

        cin>>ch;

    }

    while(ch=='y' || ch=='Y');

    return 0;

}

  

OUTPUT: 

C++ Program to Make Simple Calculator