Chapter 9 homework (Temperature conversion)

//Christian Ballard
//COSC 1330 - 003
//This program should convert temperatures between Celsius and Fahrenheit.
#include <iostream>
#include <iomanip>
using namespace std;
//PROTOTYPES!!!!!!
char getTempType(char);
double convertToCelsius(double &, double &);
double convertToFahrenheit(double &, double &);

int main()
{
    char answer = ' '; //Variables.
    double celsius = 0.0;
    double fahrenheit = 0.0;
    double convertedCelsius = 0.0;
    double convertedFahrenheit = 0.0;
    char loopAnswer = ' ';

    cout << fixed << setprecision(1);

    do //AND THE LOOPIES BEGIN!!!
    {
        system("cls"); //I put this here to keep the loop from displaying previous output.
        answer = getTempType(answer); //Assigning answer to what the user inputs in the function.

        system("cls"); //Figured it would be nice to clear the screen here.
        switch (answer) //Figuring out what exactly we want to do determined by user input.
        {
        case '1':
            convertToCelsius(celsius, convertedCelsius);
            cout << "The conversion from " << celsius << ("\xF8") << " Celsius is " << convertedCelsius << ("\xF8") << " Fahrenheit." << endl << endl;
            break;
        case '2':
            convertToFahrenheit(fahrenheit, convertedFahrenheit);
            cout << "The conversion from " << fahrenheit << ("\xF8") << " Fahrenheit is " << convertedFahrenheit << ("\xF8") << " Celsius." << endl << endl;
            break;
        default:
            cout << "Invalid input, please enter either 1 or 2." << endl;
            break;
        }
        cout << "Would you like to convert another temperature? (Y/N)" << endl; //Update read
        cin >> loopAnswer;

    }   while (loopAnswer == 'Y' || loopAnswer == 'y');
    if (loopAnswer == 'n' || loopAnswer == 'N')
    {
        system("cls");
        cout << "See ya later!" << endl;
    }
    system("pause");
    return 0;
}

char getTempType(char funAnswer)//funAnswer is my second variable for answer. It stands for Function Answer.
{
    cout << "To convert from Celsius to Fahrenheit please press 1." << endl;
    cout << "To convert from Fahrenheit to Celsius please press 2." << endl;
    cin >> funAnswer;

    return funAnswer;
}

double convertToCelsius(double &funCelsius, double &funConvertedCelsius)
{
    cout << "Please enter the degrees Celsius" << endl;
    cin >> funCelsius;
    funConvertedCelsius = (funCelsius * 1.8) + 32;

    return funCelsius, funConvertedCelsius;
}



double convertToFahrenheit(double &funFahrenheit, double &funConvertedFahrenheit)
{
    cout << "Please enter the degrees Fahrenheit" << endl;
    cin >> funFahrenheit;
    funConvertedFahrenheit = (funFahrenheit - 32) / 1.8;

    return funFahrenheit, funConvertedFahrenheit;
}