TI-84 Calculator Guides

Learn how to get the most out of your calculator with our free, step-by-step TI-84 tutorials. Each guide walks you through exactly which buttons to press, with clear examples you can follow along on the free TI-84 calculator above — perfect for students, teachers and self-learners.

Every guide below is a practical, step-by-step walkthrough written for real students — no fluff, no assumed knowledge. Whether your graph won’t show up, your calculator is stuck validating its OS, or you need to run a t-test for AP Statistics tomorrow morning, you’ll find the exact keystrokes here. New guides are added regularly based on the questions students ask us most.

Start Here: The Most Popular Guides

New here? Start with these reader favorites: fixing a blank graph, switching between fractions and decimals, and our SAT/ACT/AP exam strategy guide. They solve the problems students search for most — and each one takes less than five minutes to follow. Work through them in order and you’ll handle the most common TI-84 tasks with confidence.

Browse Guides by Topic

Troubleshooting — fix the errors that waste your time: graphs not showing, “Validating OS” freezes, answers showing as 1, and fractions appearing where decimals should be. Graphing — learn to plot the functions you’ll meet in every math class, from lines and parabolas to trig and exponentials. Statistics — master normalcdf, t-tests, z-tests, and linear regression with worked AP Statistics examples. Exams & Comparisons — exam-day strategy for the SAT, ACT, and AP tests, which calculators are allowed, how the online calculator compares to physical hardware and Desmos, and what’s new with the 2026 TI-84 Evo.

Troubleshooting & Fixes

AP Statistics Guides

Graphing Guides

Exam & Comparison Guides

Can’t Find Your Answer?

If your question isn’t covered yet, send it through our contact page. The most-requested topics become our next guides — so you’re directly shaping what we publish.

New guides are added regularly — bookmark this page and check back soon. Every guide is tested against the real calculator workflow, written in plain language, and updated when Texas Instruments releases new models or exam rules change. If a guide helped you, share it with a classmate: the best way to master a calculator is to teach someone else the keystrokes.