Does Ti 83 Need Backup Battery? [Solved]

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Does Ti 83 Need Backup Battery? [Solved]

The backup battery can last anywhere from 2 to 5 years. When do I need to replace the batteries? You need to replace the AAA batteries if your screen is not dark enough and 9 is the value shown in the upper right hand column when you press 2nd, release that key, and then press and hold the up arrow.

TI-83 Plus Calculator Dead. Repair.

A dead

TI-83 Plus Back Up Battery Replacement

This is how you replace the

Change back up battery in TI 83 Plus calculator

This video shows