@ -64,6 +64,9 @@ public class MainFrame extends JFrame {
JPanel jPanel7 = setupNums("7");
boxPanel.add(jPanel7);
JPanel jPanel8 = setupNums("8");
boxPanel.add(jPanel8);
JButton back = new JButton();
back.setVisible(true);
back.setBounds(5, 5, 100, 25);