Rem.java

// Rem.java -- remainder for real numbers too
// IEEEremainder  f1 - f2*n  n is the closest integer
// %              f1 - f2*n  n is the smallest integer

class Rem {
   public static void main (String [] args) {

      System.out.println (23.7%3.1);                       //  2.0
      System.out.println (Math.IEEEremainder (23.7,3.1));  // -1.1

      System.out.println (23.7%3.53);                      //  2.52
      System.out.println (Math.IEEEremainder (23.7,3.53)); // -1.01

      System.out.println (23.7%3.9);                       //  0.3
      System.out.println (Math.IEEEremainder (23.7,3.9));  //  0.3
   }
}