// Helene Martin, CSE 142
// Converts fahrenheit to celsius.
public class Temperatures {
   public static void main(String[] args) {
      double nowTemp = 50.6;
      double tomorrowTemp = 72;
      
      // we can either store the result of fToC in a variable or simply use it in
      // a println
      double nowTempC = fToC(nowTemp);
      
      System.out.println("It's currently " + nowTemp + "F (" + round2(nowTempC) + "C)");
      System.out.println("Tomorrow, it will be " + tomorrowTemp + "F (" +
                         round2(fToC(tomorrowTemp)) + "C)");
      
      System.out.println(round2(46.344324324));
   }
   
   public static double fToC(double tempF) {
      double result = (5.0 / 9.0 * (tempF - 32));
      return result;
   }
   
   public static double round2(double value) {
      // 46.3423332321 => 4634 => 46.34
      double result = Math.round(value * 100) / 100.0;
      return result;
   }
}