Turning your TI 84 calculator on and off

Turning the TI 84 On and Off. Not kidding. Many folks have requested this, so here it is:

Turning Your Calculator On and Off

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.

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By Martin

Martin McSweeney is a National Merit Finalist, Pomona College Graduate, and member of MENSA. He has worked at the Center for Talented Youth (Loyola Marymount University campus); Upward Bound (Harvey Mudd campus); various test prep companies; and Whittier High School. Now, Martin helps students of all abilities improve their relationship with math.