CS410 bonus problem

bonus.cpp

// my first program in C++
#include <iostream>
using namespace std;

class Converter
{
private:
    Converter(){};

public:
    float fromFtoC(float);
    float fromCtoF(float);

    static Converter *getInstance()
    {
        static Converter instance;
        return &instance;
    }
};

float Converter::fromFtoC(float farenheit)
{
    return (farenheit - 32) * 5. / 9.;
}
float Converter::fromCtoF(float celsius)
{
    return 9. / 5. * celsius + 32;
}

int main()
{

    float farenheit;

    cout << "Please enter a temperature: ";

    cin >> farenheit;
    Converter *c = Converter::getInstance();
    float celsius = c->fromFtoC(farenheit);

    cout << "Converted to Celsius, this temperature is " << celsius << "!\n";
}