There are a few ways to delete programs from the Ti 84. The easiest way is to use the Ti 84’s built-in deletion tool. To use this tool, you need to first open the Ti 84’s main menu and then select “System” from the main menu. Then, you need to select “Delete Programs.” After you select this option, the Ti 84’s deletion tool will appear. You can then choose which programs you want to delete by clicking on one of the program names. After you click on a program name, the Ti 84’s deletion tool will start deleting that program. If there are any problems deleting a program, please contact your TI84 owner or distributor for help.