Fixed indentation (and for consistency)

Author: pH-7

src/simplejavacalculator/Calculator.java

@@ -16,6 +16,7 @@
 import static java.lang.Math.pow;
 
 public class Calculator {
+
     public enum BiOperatorModes {
         normal, add, minus, multiply, divide , xpowerofy 
     }
@@ -106,8 +107,6 @@ public Double calculateMono(MonoOperatorModes newMode, Double num) {
             return Math.abs(num);
         }
 
-
-
         // never reach
         throw new Error();
     }

src/simplejavacalculator/UI.java

@@ -15,6 +15,7 @@
  * @modemail    [email protected]
  * @modemail    [email protected]
  */
+
 package simplejavacalculator;
 
 import java.awt.FlowLayout;