Setup Panel with label nr 9

src/main/java/src/MainFrame.java

@@ -67,6 +67,9 @@ public class MainFrame extends JFrame {
         JPanel jPanel8 = setupNums("8");
         boxPanel.add(jPanel8);
 
+        JPanel jPanel9 = setupNums("9");
+        boxPanel.add(jPanel9);
+
         JButton back = new JButton();
         back.setVisible(true);
         back.setBounds(5, 5, 100, 25);