1. Add two Numbers
2. Subtract two Numbers
3. Multiply two Numbers
4. Divide two Numbers
Structure of the Problem Requirements
This Problem is very simple you just need to compute the two integers with different Mathematical Operations. In our Solution we did it with Switch Statement which is very common in C++, You can also solve it with Using Function but for beginners its good to introduce them the basic of C++ as simple as possible .
Source code
#include <iostream>
#include <iomanip>
#include <windows.h>
using namespace std;
int main()
{
int choice;
do
{
int number1 =0; //intilize a Variable that is recieve number 1
int number2 =0; //intilize a Variable that is recieve number 2
int result =0;
cout<<endl<<setw(47)<<"************* Math Calculator ***************"<<endl;
cout<<endl<<"What Do you Want"<<endl; // Here is Given Menu Which is Select on Requirement
cout<<endl<<setw(25)<<"1 : Add"<<endl;
cout<<setw(30)<<"2 : Subtract"<<endl;
cout<<setw(36)<<"3 : Multiplication"<<endl;
cout<<setw(30)<<"4 : Division"<<endl;
cout<<setw(27)<<"0 : Exist"<<endl;
cin>>choice;
if(choice==1)
{
cout<<endl<<"Enter Number_1:";
cin>>number1; //Reciever input value for number 1
cout<<endl<<"Enter Number_2:";
cin>>number2; //Reciever input value for number 2
result = number1 + number2; // Here is both numbers are added
cout<<endl<<endl<<setw(30)<<"Answer : "<<result<<endl; // Result is Displayed in here
Sleep(5000); // Waiting for 5 second
}
if(choice==2)
{
cout<<endl<<"Enter Number_1:";
cin>>number1; //Reciever input value for number 1
cout<<endl<<"Enter Number_2:";
cin>>number2; //Reciever input value for number 2
result = number1 - number2; // Here are numbers subtraction
cout<<endl<<endl<<setw(30)<<"Answer : "<<result<<endl; // Result is Displayed in here
Sleep(5000); // Waiting for 5 second
}
if(choice==3)
{
cout<<endl<<"Enter Number_1:";
cin>>number1; //Reciever input value for number 1
cout<<endl<<"Enter Number_2:";
cin>>number2; //Reciever input value for number 2
result = number1 * number2; // Here is numbers are multiplied
cout<<endl<<endl<<setw(30)<<"Answer : "<<result<<endl; // Result is Displayed in here
Sleep(5000); // Waiting for 5 second
}
if(choice==4)
{
double num1, num2;
cout<<endl<<"Enter Number_1:";
cin>>num1; //Reciever input value for number 1
cout<<endl<<"Enter Number_2:";
cin>>num2; //Reciever input value for number 2
if(num2==0) // Because Zero can't Diveide by any words
{
cout<<endl<<"Can't Devide by Zero "<<endl;
Sleep(5000); // Waiting for 5 second
}
else
{
double resul = num1 / num2; // Here is Number 1 is Divided on Number 2
cout<<endl<<endl<<setw(30)<<"Answer : "<<resul<<endl; // Result is Displayed in here
Sleep(5000); // Waiting for 5 second
}
}
}while(choice!=0);
return 0;
}
Output of the Program
 |
| When you Press 1 Option |
 |
| When you Press 2 Oprion |
 |
| When you Press 3 Option |
 |
| When you Press 4 Option |
Asad Niazi is Software Engineer , Programmer, Web Developers and a young mentor of Tech Solutions Desk and Blogging Solutions . Asad Love to writes about Technology, Programming, Blogging and make money online.
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