Tested and updated methods

MainApplication.java

@@ -8,6 +8,13 @@ import java.util.*;
 public class MainApplication {
     
     public static void main(String[] args) {
+        // Create all instances of classes to be used for this program
+        
+        MemoryFunc memory = new MemoryFunc();
+        
+        // Giant while loop that links back to main menu
+        memory.memoryMenu();
+        
         Console.println("Welcome to my calculator!");
         /** String s = Console.getStringInput("Enter a string");
         Integer i = Console.getIntegerInput("Enter an integer");
@@ -18,7 +25,8 @@ public class MainApplication {
         Console.println("The user input %s as a d", d);
         */
         
-        MemoryFunc memory = new MemoryFunc();
+        
+        
 
     }
 }

MemoryFunc.java

@@ -15,12 +15,43 @@ public class MemoryFunc {
      * Print
      * Update
      */
+    
     public void memoryMenu() {
+        
         Console.println("Memory Menu"
                          + "\nM+: Update stored memory value"
                          + "\nMC: Clear to default memory value"
-                         + "\nMCR: Display stored memory value" );
+                         + "\nMCR: Display stored memory value"
+                         + "\nCancel: Returns to Main Menu");
                          
+        String memoryOpt = "";
+        
+        while (!memoryOpt.equals("cancel")) {
+            
+            memoryOpt = Console.getStringInput("Select option by typing the key").toLowerCase();
+            
+            if (memoryOpt.equals("m+")) {
+                
+                Double newMemory = Console.getDoubleInput("Enter the value to store");
+                updateMemory(newMemory);
+                break;
+                
+            } else if (memoryOpt.equals("mc")) {
+                
+                clearMemory();
+                break;
+                
+            } else if (memoryOpt.equals("mcr")) {
+                
+                displayMemory();
+                break;
+                
+            } else {
+                
+                Console.println("Invalid Option");
+                
+            }
+        }
     }
     
     public void updateMemory(Double memoryInput) {