If you exit the box using ESC or any other method, the changes will disappear. Let's try another dialog box. Notice the many different variable types available on the TI-89. This will return the TI-89 to factory default Mode settings. More on Menus To page down through long menus use 2nd and then the down arrow key.
Some menus have options within options.
To see the four options under Extract, press the right arrow key. Press ESC twice to exit from all menus. Remember to press ESC to exit a menu without making a selection. All other letters must be entered by first pressing the Alpha key. The last entry always appears highlighted in the edit line.