TI-84 Plus CE
Online Calculator

The full-featured TI-84 graphing calculator — free, instant, no download. Used by millions of students for algebra, calculus, statistics, and standardized tests.

✓ Free Forever ✓ No Sign-up ✓ SAT / ACT Ready ✓ Works on Mobile
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TI-84 Plus CE — Online Calculator

Quick Tips

  • Y= Enter functions to graph
  • GRAPH View the graph
  • 2nd Secondary functions
  • STAT Statistical analysis
  • MATH Math menu & solver
  • TRACE Trace along a graph

Why Use Our TI-84 Online?

Everything the physical calculator does — right in your browser.

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Advanced Graphing

Plot functions, parametric equations, polar graphs, and sequences with full zoom and trace controls.

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Statistics & Regression

Perform linear, quadratic, and exponential regression. Compute mean, median, standard deviation instantly.

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Scientific Functions

Trigonometry, logarithms, exponents, complex numbers, and matrix operations all built in.

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SAT / ACT Approved

The TI-84 is permitted on SAT, ACT, AP, and IB exams. Practice with the exact same interface.

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Works Everywhere

Runs on desktop, tablet, and mobile. No app download, no account, no cost — ever.

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Instant Access

Opens in seconds. Bookmark it for homework, exams, or quick calculations anytime.

How to Use the TI-84 Online Calculator

1

Basic Calculations

Type numbers and operators using the keypad. Press ENTER to evaluate. Use (-) for negative numbers.

2

Graphing a Function

Press Y=, type your function (e.g., X²+2X-3), then press GRAPH. Use ZOOM to adjust the view.

3

Statistical Analysis

Press STAT → EDIT to enter data. Then STAT → CALC to run regression or compute descriptive stats.

4

Using the Math Menu

Press MATH to access numeric solver, derivatives, integrals, and number theory functions.

5

Matrix Operations

Press 2nd → MATRIX to define matrices. Use MATH inside the matrix menu for determinant, inverse, and row operations.

6

Solving Equations

Press MATH → 0:Solver to solve any equation numerically. Enter the equation, set a guess, and press ENTER.

Frequently Asked Questions

Is this TI-84 calculator online completely free?

Yes. Our online TI-84 calculator is 100% free with no registration, no subscription, and no hidden fees.

Can I use it for the SAT or ACT exam?

The TI-84 Plus CE is approved for SAT, ACT, AP, and IB exams. Use our online version to practice before test day.

Does it support graphing and calculus?

Yes. It supports function graphing, parametric and polar graphs, numerical derivatives, definite integrals, and more.

Does it work on mobile and tablet?

Yes. The calculator is fully responsive and works on any modern browser on desktop, tablet, or smartphone.

What is the difference between TI-84 and TI-84 Plus CE?

The TI-84 Plus CE features a color screen, rechargeable battery, and a slimmer design. Our online version simulates the TI-84 Plus CE.

Can I graph multiple functions at once?

Yes. Press Y= and enter up to 10 functions (Y1 through Y0). Each is plotted in a different color on the same graph.

How do I find the intersection of two graphs?

Graph both functions, then press 2nd → CALC → 5:intersect. Move the cursor near the intersection and press ENTER three times.

About the Texas Instruments TI-84 Plus CE

The Texas Instruments TI-84 Plus CE is the gold standard graphing calculator for high school and college mathematics. Since its introduction, the TI-84 series has been the most widely used graphing calculator in the United States, trusted by students, teachers, and professionals alike.

Our free online TI-84 calculator replicates the full functionality of the physical device — including graphing, statistics, algebra, and calculus tools — directly in your web browser. Whether you're studying for the SAT, working through AP Calculus, or just need a quick scientific calculation, this tool has you covered.

Key Features of the TI-84 Plus CE

  • High-resolution color display for clear graph visualization
  • Pre-loaded apps including Cabri Jr., Inequality Graphing, and Transformation Graphing
  • MathPrint™ technology for natural textbook-style display
  • Approved for SAT, ACT, PSAT, AP, IB, and Praxis exams
  • Supports parametric, polar, and sequence graphing modes
  • Built-in finance and probability applications

Who Uses the TI-84 Calculator?

The TI-84 is used by middle school, high school, and college students in algebra, geometry, precalculus, calculus, statistics, and physics courses. It is also widely used by engineers, scientists, and finance professionals for quick numerical analysis.

TI-84 vs Other Graphing Calculators

Compared to the Casio fx-9750GIII or HP Prime, the TI-84 Plus CE remains the most widely accepted calculator in US classrooms and standardized tests. Its intuitive button layout, large app ecosystem, and decades of teacher familiarity make it the default choice for most students.

Common Uses in Education

  • Algebra: Solving equations, factoring, evaluating expressions
  • Precalculus: Graphing functions, finding zeros, analyzing transformations
  • Calculus: Numerical derivatives, definite integrals, limits
  • Statistics: Regression analysis, normal distributions, hypothesis testing
  • Physics: Unit conversions, vector calculations, data plotting

Tips for Getting the Most Out of Your TI-84

Use the CATALOG (press 2nd → 0) to access every built-in function alphabetically. The ANS key recalls your last result, making chained calculations fast. Store frequently used values with the STO→ key into variables A–Z.

Embed This Calculator

Add the TI-84 calculator to your website for free. Copy and paste this code:

<iframe src="https://yourdomain.com/calc.html" width="320" height="620" frameborder="0" scrolling="no" allow="fullscreen" title="TI-84 Calculator Online"></iframe>