Graph functions
Practice plotting equations, tracing values, using tables and checking intersections.
Use a free TI-84-style graphing calculator simulator directly in your browser. Practice algebra, graphing, statistics, matrices, fractions, scientific notation and trigonometry without installing desktop software.
The interactive calculator now lives on a clean separate page with no universal menu. It has only a back button, zoom controls, full-screen mode and app mode.
Practice plotting equations, tracing values, using tables and checking intersections.
Work with lists, regression, mean, standard deviation and statistical plots.
Use trigonometry, logarithms, matrices, complex numbers, fractions and scientific notation.
This version includes a web app manifest, service worker, app start URL, full-screen button, saved zoom level and a calculator-only app mode for phone and tablet users.
Launch Calculator App ModeThese supporting pages target semantic calculator searches and help the site become more than a one-page emulator clone.
| Search intent | Target page/section | Keywords included naturally |
|---|---|---|
| Use calculator now | Main calculator block | ti 84 calculator, ti 84 calculator online, ti 84 online |
| Graph functions | Graphing guide | graphing calculator, graphing calculator online, ti 84 graphing calculator |
| Scientific math | Scientific section | scientific calculator, scientific calculator online, quadratic formula calculator |
| Classroom topics | Support articles | statistics calculator, matrix calculator, fraction calculator |
The documentation section now includes a full student guide path: home screen, keyboard, menus, calculator modes, expression evaluation, graphing, tables, statistics, regression, matrices, variables, errors, test-mode notes and mobile app mode.
Version 7 expands the site beyond the main TI-84-style calculator into a broader school and college calculator network: Desmos SAT guide, Casio fx-CG50, TI-Nspire CX II, scientific calculator and financial calculator pages.
Yes. This page is designed as a free browser-based graphing calculator simulator for learning, homework and practice.
Yes, supported browsers can install the site as a Progressive Web App. The installed app opens the calculator in app mode with less browser chrome.
The local website shell can be cached, but the calculator runtime is loaded from external TestNav files. In practice, keep internet access available unless you have a legally permitted self-hosted runtime.
No. This website is independent and is not affiliated with, endorsed by or sponsored by Texas Instruments.
This page is for learning and practice. Always follow the rules of your school, teacher, testing center or exam board.