Turning the TI 84 On and Off. Not kidding. Many folks have requested this, so here it is:
If you have questions about any aspect of how to use the TI 84, please check this YouTube Channel:
There are over 300 lessons devoted to about 99% of the functionality of the TI 84 graphing calculator. Don’t worry: the majority of the video tutorials are less than a minute long. Your time is precious so I make them short.
If there are aspects of the TI 84 calculator you want to learn that are not featured on the YouTube channel, please let me know. Happy to respond to requests.