TI-84 Calculator Guides

Step-by-step guides for the TI-84, TI-83 and TI-30XS. Every guide uses the real key presses, so you can follow along on your own calculator or on our free online calculators.

Getting Started

• NewHow to Use a TI-84 Calculator: A Beginner GuideKeyboard, 2nd and ALPHA, MODE settings, menus, your first graph and common mistakes.Read guide →
• NewHow to Use the TI-30XS Calculator: A Beginner GuidePower, MultiView history, MODE, everyday math, fixing mistakes and reset.Read guide →

Math How-Tos

• NewHow to Solve Inequalities on a TI-84 (2 Easy Methods)TEST menu, graphing both sides, quadratic inequalities and shading.Read guide →
• NewHow to Evaluate a Function on a TI-84 (3 Ways)Y1( ) on the home screen, the table and CALC value, plus f(g(x)).Read guide →

Buying Guides

• NewBest TI-84 Calculator: Which Model to BuyTI-84 Plus vs Plus CE vs CE Python vs the new TI-84 Evo, plus cheap options.Read guide →

Care, Reset and Troubleshooting

• NewHow to Turn Off, Reset & Clear Memory on a TI-84Turn off, clear lists, reset RAM or all memory, and fix a frozen calculator.Read guide →
• NewTI-84 Not Graphing? How to Fix ItERR:INVALID DIM, blank graphs, window errors, flat trig graphs and more.Read guide →
• NewHow to Update a TI-84 Plus CE Operating SystemCheck your OS version, update with TI Connect CE or a Chromebook, and fix update problems.Read guide →

Free Online Calculators

• GraphingTI-84 Plus CEGraphing calculator for algebra, statistics and calculusUse TI-84 calculator →
• GraphingTI-83 PlusThe classic graphing calculatorOpen TI-83 →
• GraphingTI-85Older graphing model popular in engineering coursesOpen TI-85 →
• ScientificTI-30XS MultiViewFour-line scientific calculator used on the GEDOpen TI-30XS →
• ScientificTI-30XABasic scientific calculator with a one-line displayOpen TI-30XA →
• ScientificTI-34 MultiViewFraction and decimal calculator for younger studentsOpen TI-34 →