C++ 10

#include <iostream>

using namespace std;


int main()
{
	double num;
	char degree;
	double C2F(double);
	double K2F(double);
	double N2F(double);


	cout << "This temperature conversion program converts other temperature types to Fahrenheit" << endl;
	cout << "The temperature types are : " << endl;
	cout << "C - Celcius" << endl;
	cout << "K - Kelvin" << endl;
	cout << "N - Newton" << endl;
	cout << "X - eXit" << endl;

	cout << "To use the converter, you must input a value and one of the temperature types." << endl;
	cout << "For example, 32 C converts 32 degrees from Celsius to Fahrenheit" << endl;

	cout << "Please enter a value and its type to be converted" << endl;
	cin >> num >> degree;




	while (degree != 'X')
	{
		cout << "Please enter a value and its type to be converted" << endl;
		cin >> num >> degree;

		switch (degree)
		{
		case 'C':
			cout << num << degree << " is " << C2F(num) << " in Fahrenheit" << endl;
			break;

		case 'K':
			cout << num << degree << " is " << K2F(num) << " in Fahrenheit " << endl;
			break;

		case 'N':
			cout << num << degree << " is " << N2F(num) << " in Fahrenheit " << endl;
			break;

		default:
			cout << "Invalid input" << endl;
			break;

		case 'X':
			cout << "eXit" << endl;
			exit(0);

		}
	}



	return 0;
}

double C2F(double num)
{
	double convert1 = (num - 273.15) * 1.8000 + 32;
	return convert1;
}

double K2F(double num)
{
	double convert2 = num * 9 / 5 + 32;
	return convert2;
}

double N2F(double num)
{
	double convert3 = num * 60 / 11 + 32;
	return convert3;
}