How to Reset a TI 89 Titanium

Written by julius vandersteen
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You may have been using the TI-89 Titanium graphing calculator from Texas Instruments for a while and made some changes to the settings that are no longer useful to you. For example, you might have it set to work in split-screen mode, and now you want to use full-screen mode, or you want to change how graphs are formatted in calculations. You can reset the TI-89 Titanium by following a few steps.

Skill level:

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  1. 1

    Press the "Snd Mem" key to display the memory screen.

  2. 2

    Press the "F1" key.

  3. 3

    Press the navigation key to select the "RAM" icon, then select "1: All RAM" to erase all data and programs from the random access memory and press the "Enter" key, or select "2: Default" and press the "Enter" key to reset all system variables to original factory settings. This preserves any user-defined variables, functions and folders.

  4. 4

    Press the navigation key to select the "Flash ROM" icon, then select "1: Archive" and press the "Enter" key to erase all data and programs from the read-only memory or select "2: Flash Apps," then press the "Enter" key to erase all applications from the Flash ROM. Select the "All Memory" icon and press the "Enter" key to erase all data, programs and flash applications from the RAM and Flash ROM.

Tips and warnings

  • To cancel a reset, press the "Esc" key instead of pressing the "Enter" key.

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