Study Tools · Handheld Calculator Labs
Master the calculator in your hand
Key-by-key labs for the TI-83, TI-84 Plus family, TI-84 Evo, TI-89 Titanium, TI-Nspire CX II, and Casio graphing calculators, from Algebra I through Calculus. Every step shows the exact keys for your model, why the step matters, and a picture of what your screen should look like. Checkpoints tell you when you have it right.
Featured lab
Battery Drain Lab: how long until your phone dies?
After 105 minutes of streaming. Use linear regression to find the rule, then push it past the data.
1. Pick your calculator
The steps change to match the buttons on your model.
2. Choose a lab
Pick your course, or open Your calculator for tips.
3. Work through the lab
Use the buttons, or the ← and → arrow keys, to move between steps.
| # | Minutes streaming (x) | Battery % (y) |
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Your progress saves in this browser only, so you can close the page and pick up where you left off. Nothing you type here is sent anywhere. This is an independent study guide from Dr. Ijezie's STEM Studio. It is not affiliated with, endorsed by, or sponsored by Texas Instruments. “TI,” “TI-84 Plus,” “TI-84 Plus C Silver Edition,” “TI-84 Plus CE,” “TI-84 Evo,” “TI-Nspire,” and “TI-Nspire CX II” are trademarks of Texas Instruments Incorporated, and “Python” is a registered trademark of the Python Software Foundation. Model names are used only to say which calculator the steps are for; the calculator pictures are simplified practice drawings, not the makers’ artwork.