// VoltageCalculator.cpp : Defines the entry point for the console application.
//Beware - move around the headers if constant isnt recognized


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


double voltageFormula(double current, double resistance)
{
	double voltage = current * resistance;
	return voltage;
}
double currentFormula(double voltage, double resistance)
{
	double current = voltage / resistance;
	return current;
}
double resistFomula(double voltage, double current)
{
	double resistance = voltage / current;
	return resistance;
}
int main()
{

	while (true)
	{
		cout << "Choose what you want to solve for: " << endl;
		cout << "1. Voltage" << endl;
		cout << "2. Resistance" << endl;
		cout << "3. Current" << endl;
		int choice;
		cin >> choice;
		if (choice == 1)
		{
			double current, resistance;
			cout << "Enter current: " << endl;
			cin >> current;
			cout << "Enter resistance: " << endl;
			cin >> resistance;
			cout << voltageFormula(current, resistance) << endl;
		}
		else if (choice == 2)
		{
			double voltage, resistance;
			cout << "Enter voltage: " << endl;
			cin >> voltage;
			cout << "Enter resistance: " << endl;
			cin >> resistance;
			cout << currentFormula(voltage, resistance) << endl;
		}
		else if (choice == 3)
		{
			double voltage, resistance;
			cout << "Enter voltage: " << endl;
			cin >> voltage;
			cout << "Enter resistance: " << endl;
			cin >> resistance;
			cout << resistFomula(voltage, resistance) << endl;
		}
		else
		{
			cout << "Something went wrong. Try again." << endl;
		}
	}
    return 0;
}