Solution 34756: Deleting Calculator Software Applications (Apps) From the Flash ROM on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
How can calculator software applications (Apps) be deleted from the Flash ROM on the TI-83 Plus and TI-84 Plus family of graphing calculators?
To remove an App from the Flash ROM, please refer to the following instructions.
• Access the memory management screen by pressing in sequence [2nd] [+] 
• Press [alpha] then [math] to select A: Apps
• Use the [Up Arrow] or [Down Arrow] keys to place the cursor in front of the App that needs to be deleted and then press
• A prompt will ask for confirmation, press  to select 2: Yes and the App will be removed from memory.
Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional information.
Last updated: 6/29/2023