Checking the battery life on a TI-84 graphing calculator is a simple process that can be completed in a few seconds. Knowing how to check the battery life is important because it allows you to avoid running out of power in the middle of an important calculation or exam.
To check the battery life on a TI-84, simply press the “2nd” key followed by the “Catalog” key. Then, use the arrow keys to scroll down to the “Battery” menu and press “enter.” The battery life will be displayed on the screen as a percentage.