how do i not reset the ram on a ti 84 plus when i switch the batteries?

i want to not reset the ram when i switch batteries for the caulculator.

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2 Answers

have back up batteries in the caulculator.
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It is possible to move your RAM memory to the ARCHIVE. You would do this by going to 2nd MEM, About, ALL. Press enter on all the programs you do not want deleted and a star should pop up next to them. This means all of them are archived and you can take out the batteries without risk.
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