updating memory functions

Console.java

 
         // Ask if you want to use memory, KEEP TRACK OF MEMORY USE
         // by boolean
-        boolean memoryChanged = memory.memoryChanged;
+        Boolean memoryChanged = memory.memoryChanged;
 
         // we use 1 input variable statement to call the user to input, then manipulate
         // Can user input M if native type is double
                        
                 String basicMode = Console.getStringInput("Enter the mode: ");
                 
-                if (memoryChanged != true) {
+                if (memory.memoryChanged != true) {
                     basicInput1 = Console.getDoubleInput("Enter the first input: ");
                     basicInput2 = Console.getDoubleInput("Enter the second input: ");
                 } else if (memoryChanged == true) {

MemoryFunc.java

  */
 public class MemoryFunc {
     public Double memory;
-    public boolean memoryChanged;
+    public Boolean memoryChanged;
     public static final Double DEFAULT_MEMORY_VALUE = new Double(0);
 
     public MemoryFunc() {
         this.memory = DEFAULT_MEMORY_VALUE;
+        this.memoryChanged = false;
     }
+    
     /**
      * Menu
      * Clear
         
         Console.println("Memory Menu"
                          + "\n1: M+ - Update stored memory value"
-                         + "\n2: nMC - Clear to default memory value"
-                         + "\n3: nMCR - Display stored memory value"
+                         + "\n2: MC - Clear to default memory value"
+                         + "\n3: MCR - Display stored memory value"
                          + "\n4: Cancel - Returns to Main Menu");
                          
         String memoryOpt = "";

SwitchDisplay.java

                 return toHexa(baseInput);
                 
             case "5":
-                return mode;
+                break;
                 
             default:
                 return "Invalid Input";