TI-84 Guides

How to reset a TI-84 Plus CE: clear RAM, archive, or full factory reset. Step-by-step keystrokes for every reset type — without losing what matters.

TI-84 Evo (2026): 3x faster processor, 50% more graphing space, USB-C, and exam approval. Specs, price, and how it compares to the TI-84 Plus CE.

Graph 10 common functions on the TI-84 Plus CE: lines, parabolas, trig, exponentials and more — exact keystrokes and window settings for each.

Master your TI-84 for test day: the exact SAT, ACT, and AP exam strategies — what to practice, which functions save time, and what to avoid.

TI-84 vs Desmos for SAT and ACT prep: honest comparison of graphing, stats, cost, and exam rules — plus which to use when.

TI-84 online vs physical: compare cost, convenience, and exam rules. Honest pros and cons of each — plus the smart way to use both.

Is the TI-84 allowed on the SAT? Yes — plus ACT, AP, and IB. See the 2026 rules for each exam and what to know on test day.

LinReg on TI-84 made simple: STAT → CALC → LinReg(ax+b). Get the equation, r, and r², graph it, and avoid the classic mistakes.

Run a t-test on TI-84 step by step: STAT → TESTS → T-Test. Learn when to use t vs z, how to read the p-value, and common mistakes.

Learn how to use normalcdf on TI-84: 2ND → VARS → 2. Includes the exact syntax, a worked example, and common mistakes to avoid.