Memory class

Memory.java

@@ -0,0 +1,14 @@
+import java.util.Scanner;
+import java.lang.*;
+
+public class Memory{
+
+  private double memNum;
+
+  public double getMemNum(){
+    return memNum;
+  }
+  public void setMemNum(double num){
+    memNum = num;
+  }
+}

SciCalculator.java

@@ -32,7 +32,9 @@ public class SciCalculator{
                 break;
         case 2:System.out.println("call number system function");//call number system function
                 break;
-        case 3:System.out.println("call memory function");//call memory function
+        case 3: Memory memNumber = new Memory();
+                memNumber.setMemNum(6);
+                System.out.print(memNumber.getMemNum());
                 break;
         case 4:System.out.println("call operations function");//call operations function
                 break;
@@ -41,6 +43,8 @@ public class SciCalculator{
         case 6:System.out.println("Goodbye");//clear display
                 isOn = false;
                 break;
+        default:
+                break;
       }
     }
   }