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TI-84 Calculator Online

The full power of the TI-84 Plus graphing calculator right in your browser. Graph equations, solve algebra, crunch statistics, and ace your exams instantly.

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Everything the Physical Calculator Does

Our online TI-84 emulator replicates every key feature of the physical graphing calculator for free.

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Graph Functions

Plot multiple equations simultaneously, zoom in/out, trace graphs, and find intercepts, maxima & minima.

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Full Arithmetic

Perform all basic and advanced arithmetic operations, including order-of-operations-aware expressions.

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Statistics & Regression

Run 1-Var Stats, LinReg, QuadReg, and more. Perfect for AP Statistics and college-level coursework.

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Matrix Operations

Enter, edit, and perform operations on matrices including inverse, determinant, and row reduction.

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Trigonometry

sin, cos, tan and their inverses in both degree and radian mode. Unit circle values at your fingertips.

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Calculus Tools

Numerical derivatives (nDeriv) and definite integrals (fnInt) for calculus students and beyond.

How to Use the TI-84 Online Calculator

Get up and running in seconds, no experience required.

1

Open the Calculator

Click Start TI-84 Calculator above. The calculator loads instantly in your browser with no app, no plugin, no account needed.

2

Use Your Keyboard or Click the Keys

You can either click the on-screen buttons with your mouse/touchscreen or use your physical keyboard for faster input. Number keys, operators, and common functions all map naturally.

3

Graph an Equation

Press the Y= button to enter your equation (e.g., Y1 = 2X + 3). Then press GRAPH to see it plotted on the coordinate plane. Use ZOOM to adjust the view.

4

Run Statistical Analysis

Press STAT → EDIT to enter data into lists L1, L2, etc. Then go to STAT → CALC to run 1-Var Stats, LinReg, and more.

5

Access Advanced Functions

Use the 2ND key to access secondary functions printed above each button in blue. The ALPHA key lets you enter letters for storing variables.

6

Clear & Start Fresh

Press CLEAR to erase the current line. Press 2ND + MEM → Reset to restore factory defaults and clear all stored data.

Who Uses the TI-84 Online?

From high school classrooms to college lecture halls, this tool is trusted by millions.

🎓High School Students
📝SAT & ACT Prep
🔬AP Calculus & Stats
🏫College Math Courses
👩‍🏫Math Teachers
🏠Home Learners
🧮Finance & Business
💻STEM Professionals

What Is the TI 84 Calculator?

The TI-84 Plus (and its variants, TI-84 Plus Silver Edition and TI-84 Plus CE) is a graphing calculator manufactured by Texas Instruments. First released in 2004, it has become the most widely used graphing calculator in the United States, recommended and approved for use on the SAT, ACT, AP exams, IB exams, and PSAT.

Our TI 84 Calculator Online gives you the same functionality directly in your web browser, whether you’re on a Chromebook, MacBook, Windows PC, tablet, or smartphone. No physical device is required.

TI-84 Online vs. Physical Calculator

While there’s no substitute for hands-on practice with a real calculator during an actual exam, the online version offers significant advantages for study and everyday use:

  • Accessibility: Use it anywhere without carrying a physical device or batteries.
  • Cost: The physical TI-84 Plus CE can cost $100–$150. Our online version is completely free.
  • Screen size: View graphs on your full monitor screen, making analysis easier.
  • Keyboard input: Type equations faster using your keyboard rather than hunting small buttons.
  • Always available: Works on any device, ideal for remote learning or when you forget your calculator at home.

Key Functions of the TI-84 Calculator

Understanding the TI-84’s core functions helps you get the most from this powerful tool:

  • Y= Editor: Enter up to 10 functions (Y1–Y0) for simultaneous graphing.
  • WINDOW Settings: Control the viewing window (Xmin, Xmax, Ymin, Ymax, Xscl, Yscl).
  • ZOOM Menu: Quickly adjust graph view with presets like ZStandard, ZDecimal, ZSquare, ZTrig.
  • TRACE: Move along a plotted function to read exact (x, y) coordinate pairs.
  • CALC Menu: Find zeros, intersections, minimums, maximums, derivatives, and integrals graphically.
  • MATH Menu: Access advanced functions including abs(), round(), iPart, fPart, and numeric calculus tools.
  • STAT Menu: Data entry via lists and a full suite of statistical tests and regressions.
  • MATRIX Menu: Define, edit, and operate on up to 10 matrices.
  • PRGM: Create and run TI-Basic programs for automation and complex computations.

TI-84 for SAT and ACT Exams

The TI-84 is approved for use on the SAT Math section, ACT Mathematics section, AP Calculus, AP Statistics, and most state standardized tests. Mastering it before your exam can significantly boost your score, particularly in data analysis, function graphing, and equation solving.

Practice with our online TI-84 to build speed and muscle memory. Focus especially on: solving systems of equations using matrices, graphing and finding intersections, running regression models on data sets, and evaluating definite integrals numerically.

Frequently Asked Questions

Everything you need to know about using the TI-84 Online Calculator.

Yes, completely free. There are no subscriptions, no premium tiers, and no hidden charges. Simply click “Start TI-84 Calculator” and use it instantly.
No download or installation is required. The TI-84 emulator runs entirely in your web browser. It works on Chrome, Firefox, Safari, Edge, and most modern browsers across desktop and mobile.
Yes. The online TI-84 is fully responsive and touch-friendly. You can tap the calculator buttons on any smartphone or tablet, and iOS and Android both work great.
The online calculator is ideal for practice and studying. During in-person exams (SAT, ACT, AP, etc.) you will need to use a physical approved calculator, as internet access is not permitted. Always check your test’s specific calculator policy.
Press the Y= button and type your equation next to Y1= (use X for the variable). Then press the GRAPH button. You can adjust the viewing window with the WINDOW button or use ZOOM presets for a better view.
The TI-84 Plus CE features a color display, a thinner and lighter design, a rechargeable battery, and slightly more memory than the original TI-84 Plus. Functionally, both support the same math operations, graphing, and programs. Our online emulator supports the core functionality common to both models.
Yes. Press 2ND → MATRIX (or MATRX on some versions) to access the matrix editor. You can define matrices up to the allowed dimensions, then use the MATH submenu within the MATRIX menu to calculate inverses, determinants, transpose, and more.
Press the MODE button, then use the arrow keys to highlight either “Degree” or “Radian” and press ENTER. The selected mode will apply to all trigonometric calculations until you change it again.
Basic TI-Basic programming is supported in most full emulators. You can access the PRGM menu to create and run simple programs. For advanced TI-Basic development, a dedicated TI-84 emulator like the official TI SmartView software is recommended.
The calculator resets when you close your browser tab, just like removing the batteries from a physical calculator. If you need to save work, write down your equations or data before closing the session.

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