/*
========================
-----Calculator V1------
========================
- Created in Visual C++ - 
========================
*/

#include "stdafx.h"
#include <iostream>
using namespace std;

//Multiplication declarations, definitions later in the program
void Adding(int FirstNumber, int SecondNumber);
void Subtracting(int FirstNumber, int SecondNumber);
void Division(int FirstNumber, int SecondNumber);
void Multiplication(int FirstNumber, int SecondNumber);

int main()
{
	int FirstNumber, SecondNumber;
	SecondNumber = FirstNumber = 0; //Must be valued to something
	int ChoiceMenu;
	char PlayAgain;
	do{ //Start of do-loop
		system("CLS"); //Once the loop runs again the previous text will be cleared
		cout<<"====================="<<endl;
		cout<<"--- Calculator V1 ---"<<endl;
		cout<<"====================="<<endl;
		//Startup-Menu
		cout<<"Menu (1-5)"<<endl;
		cout<<"1) Adding"<<endl;
		cout<<"2) Subtracting"<<endl;
		cout<<"3) Division"<<endl;
		cout<<"4) Multiplication"<<endl;
		cout<<"5) Quit"<<endl;
		cin>>ChoiceMenu; 

		switch(ChoiceMenu)
		{
		case 1:
			Adding(FirstNumber,SecondNumber);
			break;
		case 2:
			Subtracting(FirstNumber,SecondNumber);
			break;
		case 3:
			Division(FirstNumber,SecondNumber);
			break;
		case 4:
			Multiplication(FirstNumber,SecondNumber);
			break;
		case 5:
			return 0;
		}
		cout<<"Do you wish to use again (Y/N)?\n";
		cin>>PlayAgain;
	}while(PlayAgain == 'y' || PlayAgain == 'Y'); //If user inputs "Y" or "y" then loop continues, else it breaks

} //End of do-loop

void Adding(int FirstNumber, int SecondNumber)
{
		system("CLS");
	cout<<"--------------------"<<endl;
	cout<<"----- ADDITION -----"<<endl;
	cout<<"--------------------"<<endl<<endl;
	cout<<"Enter your first number\n";
	cin>>FirstNumber;
	cout<<"Enter your second number\n";
	cin>>SecondNumber;
	cout<<endl;
	cout<<"Calculating........."<<endl<<endl;
	cout<<"-------------------------------------------------------------------"<<endl;
	cout<<FirstNumber<< " + "<< SecondNumber<< " = "<< FirstNumber+SecondNumber<<endl;
	cout<<"-------------------------------------------------------------------"<<endl<<endl<<endl;
}
void Subtracting(int FirstNumber, int SecondNumber)
{
		system("CLS");
	cout<<"--------------------"<<endl;
	cout<<"----- SUBTRACTION -----"<<endl;
	cout<<"--------------------"<<endl<<endl;
	cout<<"Enter your first number\n";
	cin>>FirstNumber;
	cout<<"Enter your second number\n";
	cin>>SecondNumber;
	cout<<endl;
	cout<<"Calculating........."<<endl<<endl;
	cout<<"-------------------------------------------------------------------"<<endl;
	cout<<FirstNumber<< " - "<< SecondNumber<< " = "<< FirstNumber-SecondNumber<<endl;
	cout<<"-------------------------------------------------------------------"<<endl<<endl<<endl;
}
void Division(int FirstNumber, int SecondNumber)
{
		system("CLS");
	cout<<"--------------------"<<endl;
	cout<<"----- DIVISION -----"<<endl;
	cout<<"--------------------"<<endl<<endl;
	cout<<"Enter your first number\n";
	cin>>FirstNumber;
	cout<<"Enter your second number\n";
	cin>>SecondNumber;
	cout<<endl;
	cout<<"Calculating........."<<endl<<endl;
	cout<<"-------------------------------------------------------------------"<<endl;
	cout<<FirstNumber<< " / "<< SecondNumber<< " = "<< FirstNumber/SecondNumber<<endl;
	cout<<"-------------------------------------------------------------------"<<endl<<endl<<endl;
}
void Multiplication(int FirstNumber, int SecondNumber)
{
		system("CLS");
	cout<<"--------------------------"<<endl;
	cout<<"----- MULTIPLICATION -----"<<endl;
	cout<<"--------------------------"<<endl<<endl;
	cout<<"Enter your first number\n";
	cin>>FirstNumber;
	cout<<"Enter your second number\n";
	cin>>SecondNumber;
	cout<<endl;
	cout<<"Calculating........."<<endl<<endl;
	cout<<"-------------------------------------------------------------------"<<endl;
	cout<<FirstNumber<< " * "<< SecondNumber<< " = "<< FirstNumber*SecondNumber<<endl;
	cout<<"-------------------------------------------------------------------"<<endl<<endl<<endl;
}