#include <iostream.h> 
#include <windows.h> 
#include <stdio.h>
#include <conio.h>
#include <iomanip.h>
#include <string.h> 

int main() 
{ 
int keuze;
long num1;
long num2;
char count;
long som;
char yesno;
 
menu:
system("cls");



SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY|FOREGROUND_RED|FOREGROUND_BLUE|FOREGROUND_GREEN);
cout << "1. Rekenmachine" << endl;
cout << "2. Afsluiten" << endl;

SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY|FOREGROUND_BLUE|FOREGROUND_GREEN);
cout << "Maak uw keuze: " << endl;
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY|FOREGROUND_RED);
cout << "--> ";
cin >> keuze;
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY|FOREGROUND_RED|FOREGROUND_BLUE|FOREGROUND_GREEN);
system("cls");
if(keuze==1){ goto calculator; }
if(keuze==2){ goto exit; }
else { 
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY|FOREGROUND_RED);	
cout << "Ongeldige invoer!" << endl; 
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY|FOREGROUND_RED|FOREGROUND_BLUE|FOREGROUND_GREEN);
cerr << "Press any key to continue";
getchar();
goto menu; }

calculator: //########### REKENMACHINE!!
system("cls");

SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY|FOREGROUND_RED|FOREGROUND_BLUE|FOREGROUND_GREEN);

	cout << "Getal1: ";
	cin >> num1;

	cout << "Getal2: ";
	cin >> num2;

	cout << "Berekening (*, +, - of /):";
    cin >> count;
system("cls");
if(count=='*'){ som = num1 * num2; }
if(count=='-'){ som = num1 - num2; }
if(count=='/'){ som = num1 / num2; };
if(count=='+'){ som = num1 + num2; }

	cout << "Uitkomst:" << endl;
	cout << num1 << " " << count << " " << num2 << " = " << som << endl << endl;

SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY|FOREGROUND_GREEN);

cout << "Wilt u nog een berekening maken?" << endl << "[Y/N]: ";
cin >> yesno;
if(yesno=='y'){ goto calculator; }
if(yesno=='n'){ goto menu; }
else { goto confirm_calc; }

confirm_calc:
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY|FOREGROUND_RED);
cout << endl << endl << endl << "Ongeldige invoer!" << endl;

SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY|FOREGROUND_GREEN);
cout << "Wilt u nog een berekening maken?" << endl << "[Y/N]: ";
cin >> yesno;
if(yesno=='y'){ goto calculator; }
if(yesno=='n'){ goto menu; }
else { goto confirm_calc; } //########### REKENMACHINE!!

exit:

return 0;
}