code: public int remainderSize() {
  	    BigDecimal fraction = remainder();
  		String tmp = fraction.toString();
  		int n = tmp.indexOf(Properties.DEFAULT_DECIMAL_SEPARATOR);
  		if (n != -1) {
  			return tmp.length() - n - 1;
  		} else
  			return 0;
  	}
docs: Return count of number in reminder.
  @return