TI-84 Plus Calculator
A free TI-84 Plus CE graphing calculator emulator in your browser, with graphing, statistics, matrices, programming, and the familiar calculator interface.
Independent wrapper using the TI-84 Plus CE HTML5 emulator served by TestNav — not a Texas Instruments product.
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About this calculator
Method, formulas, and limits.What this does
Embeds the TI-84 Plus CE HTML5 graphing calculator emulator in the calculator page. It provides the familiar TI interface for graphing, statistics, matrices, complex numbers, lists, tables, and TI-BASIC programming.
Who it is for
Students, teachers, and professionals who need a TI-84 Plus CE-style graphing calculator on a desktop or mobile browser for algebra, precalculus, calculus, statistics, and graphing practice.
How it works
The page loads the upstream emulator wrapper in a same-origin iframe. The emulator downloads its ROM state and faceplate resources from TestNav, remembers the zoom level in browser storage, and reports its height to the surrounding page so the embedded calculator can resize cleanly.
Limitations
The emulator requires a modern browser and an internet connection for the upstream TestNav resources. It is an independent wrapper, not a Texas Instruments product, and the emulator and related TI intellectual property remain owned by their respective owners.
Key calculations
- TI-84 Plus CE emulator
- The calculator surface and behavior come from the imported TI-84 Plus CE HTML5 emulator rather than the former custom TypeScript calculator engine.
- Graphing and statistics
- Use the calculator's native graphing, regression, distribution, list, table, plot, matrix, and complex-number workflows directly in the emulator.
- Zoom and layout
- The wrapper provides 50%–200% zoom controls, persists the selected zoom level locally, and automatically resizes the iframe after the calculator loads.
- External resources
- The emulator ROM state, faceplate, and stylesheet are loaded from mn.testnav.com, so blocked network access can prevent the calculator from starting.
Reference ranges
- Graphing
- The imported emulator supports the native TI-84 Plus CE graphing workflows, including function graphs and the calculator's graph settings.
- Statistics and matrices
- The emulator includes the native TI workflows for lists, statistical analysis, plots, matrices, complex values, and tables.
- Programming
- TI-BASIC programming support is provided by the upstream emulator rather than by the removed custom calculator engine.
How to use it
- 1.Wait for the emulatorAllow the TI-84 Plus CE surface to load its upstream ROM and faceplate resources before pressing calculator keys.
- 2.Use the calculator surfaceClick or tap the calculator keys and use the native TI-84 menus, graphing, statistics, matrices, lists, tables, and programming features.
- 3.Adjust the zoomUse the minus and plus controls above the calculator to choose a comfortable size. The selected zoom is saved in this browser.
- 4.Use a compatible browserKeep JavaScript enabled and allow the TestNav resources required by the emulator. If the surface is blank, check the browser network or content-blocking settings.
- 5.Understand the disclaimerThis page is an independent wrapper. TI-84 Plus CE and the emulator technology are trademarks or intellectual property of their respective owners.
No. This site embeds an independent wrapper around the TI-84 Plus CE HTML5 emulator. Texas Instruments and Pearson/TestNav are not affiliated with or endorsing this page.
The wrapper loads the emulator JavaScript, ROM state, faceplate, and stylesheet from TestNav's servers. If those resources are blocked or unavailable, the calculator cannot initialize.
The imported TI-84 Plus CE emulator advertises graphing, statistics, matrices, lists, tables, complex calculations, and TI-BASIC support. Availability can depend on the upstream emulator resources and browser.
The wrapper stores the selected zoom level in localStorage in your browser. The emulator itself is loaded inside the page and may have its own browser behavior.
No guarantee is made for exam use. Check the rules of the specific exam or institution and use an approved physical calculator when required.
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