If you want to delete a program from your Ti-84, there are a few different ways to go about it. The first way is to use the menus. To do this, open the menus by pressing [MENU], and then selecting [Programs]. Next, select the program you want to delete and press [DELETE]. The second way is to use the keypad. To do this, first find the program you want to delete by pressing [F1] and then pressing [PROGRAMS]. Next, press [KEYPAD] and enter the code for the program you want to delete (it will be listed on the screen). Finally, press [ENTER] to delete it. The third way is to use the calculator software. To do this, first open calculator software by pressing [CALCULATOR], and then select [File] from the menu. Next, select [New File] from the menu and enter a name for your file (it can be anything). Finally, select [Calculator] from the menu and enter your Ti-84’s password (if necessary). Then, select [Programs] from the menu and find the program you want to delete. Finally, press [DELETE] to delete it. ..