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TI 84 Calculator
Online

Left your calculator at home? Use the full TI-84 Plus in your browser — free, instant, no setup.

Open Calculator See Tutorials
Works on phone & desktop
No account needed
All data stays in your browser

Getting Started

TI-84 Plus Calculator : Three Simple Steps

No downloads, no account, no waiting. Open the calculator and start.

01 — Open

Open the calculator

Click "Open Calculator" above. It loads directly in your browser — nothing to install. Works on Chrome, Safari, Firefox, and Edge.

02 — Choose

Pick your operation

Basic math, graphing, statistics, matrices — the same menus you'd find on the physical TI-84 are all there.

03 — Calculate

Get your answer

Press Enter and the result appears instantly. No lag, no server round-trips. Everything runs on your device.

Key Features

TI-84 Calculator Online Can Do

Each feature below mirrors the real calculator's layout. If you already know the TI-84, you'll feel right at home.

Y=

Y= (Function Entry)

Type your functions here and graph them. Supports multiple functions plotted at once.

MTH

MATH Menu

Cube roots, fractions, absolute values, and probability functions — all in one menu.

STT

STAT Menu

Enter data lists and run standard deviation, variance, regression, and Z-tests.

WIN

WINDOW / Zoom

Set exact X and Y ranges to control which part of the graph is visible.

2ND

2ND Key

Access all secondary functions printed above each key, exactly like the physical calculator.

ALF

ALPHA Key

Type variable names and letters — useful for storing values and working with programs.

MX

MATRIX Tool

Build matrices, find determinants, calculate inverses, and solve matrix equations.

CLR

CLEAR & DEL

Fix typos without resetting your work. Behaves exactly like the physical keys.

Step-by-Step Tutorials

Graphing Calculator Online TI 84 Common tasks, explained

These are the operations students use most. Follow the key sequences exactly as you would on the physical calculator.

Statistics
How to find a Z-score
  1. Press STAT to open the statistics menu
  2. Arrow right to TESTS
  3. Select 1: Z-Test (for hypothesis testing) or 7: ZInterval (for confidence intervals)
  4. Enter your population mean (μ₀), standard deviation (σ), sample mean (x̄), and sample size (n)
  5. Choose Calculate and press Enter
Example output
z = 1.96  |  p = 0.0250
Statistics
How to find standard deviation
  1. Press STAT then 1: Edit to open the list editor
  2. Type your data values into L1, pressing Enter after each number
  3. Press STAT again, arrow to CALC
  4. Select 1: 1-Var Stats and press Enter
  5. Look for Sx (sample std dev) or σx (population std dev) in the results
Example output
x̄ = 14.2  |  Sx = 3.11  |  σx = 2.79
MATH Menu
How to calculate a cube root
  1. Press MATH to open the math menu
  2. Select 4: ∛( (cube root)
  3. Type your number — for example, 27
  4. Close the parenthesis and press ENTER
Example: ∛(27)
Answer: 3

Tip: For other roots (4th, 5th, etc.), use MATH → 5: x√ and type the root index first.

Graphing
How to graph a function
  1. Press Y= to open the function editor
  2. Type your equation next to Y1= — for example, X²-4
  3. Press WINDOW to set your X and Y range (or press ZOOM → 6: ZStandard for a default view)
  4. Press GRAPH to render the function
  5. Use TRACE to move along the curve and read coordinates
Example: Y1 = X²−4
Roots at x = −2 and x = 2

What it handles

Math topics covered by TI 84 Plus CE Online

From basic arithmetic to calculus, the calculator covers the operations you'll actually use in class.

𝑓Graphing
σStatistics
½Fractions
∛Roots
∫Calculus
zZ-Scores
MMatrices
n!Factorials
pProbability
xAlgebra
limLimits
PP-Values

Why use this

Texas Instruments calculator

A few things that make this different from other online calculators.

⚡

Runs in your browser

All calculations happen locally on your device. Nothing goes to a server, so there's no lag and no privacy concerns.

🔓

No account, no paywall

Just open the page and start. No sign-up form, no free trial that runs out, no credit card. It's free for as long as you need it.

📱

Works on any screen

The layout adjusts automatically for phones, tablets, and desktops. The keypad is touch-friendly on mobile.

FAQ

Answers to common questions

If something isn't covered here, use the calculator and see for yourself.

Yes, completely free. No subscription, no paywall, no account needed. Open the page and start calculating.
It covers the core functionality most students and teachers use day-to-day — graphing, statistics, the MATH and STAT menus, matrices, and the 2ND/ALPHA keys. If you're working through high school or introductory college math, everything you need is here.
Yes. Everything runs locally in your browser. No data is sent to any server. You can even use it offline once the page has loaded.
It's a good way to practice before a test where you'll be using the physical calculator. The key sequences and menu layouts match the TI-84 Plus, so anything you learn here transfers directly.
For actual exams, you need to bring the physical TI-84 device — phones and browsers aren't permitted in the exam room. This online version is for studying and practice only, not in-exam use.
No. Just open the page in any modern browser. No app, no plugin, no download.
Some users search for an online T184 calculator using variations such as “t184 calculator online.” We include this common search variation to make it easier for users to find the right calculator, even when the query is typed differently. The calculator itself is designed to provide the same reliable T184 calculations regardless of the search term used.Some users search for an online T184 calculator using variations such as “t184 calculator online.” We include this common search variation to make it easier for users to find the right calculator, even when the query is typed differently. The calculator itself is designed to provide the same reliable T184 calculations regardless of the search term used.

Latest Articles

TI 84 Calc Online Guides & Tutorials

Explore our latest guides to help you master your TI-84 calculator and explore all its features.

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How to Clear TI-84 Memory?

Learn the quick and easy steps to completely reset or clear specific memory on your Texas Instruments TI-84 Plus calculator.

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How to Find Z Score on TI-84?

Learn how to find a Z-score on your TI-84 calculator with this step-by-step guide.

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How to Find Cube Root on TI-84?

A simple step-by-step guide covering four methods to calculate a cube root on the TI-84 calculator.

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TI-84 Plus CE: Complete Button Guide

A complete guide to the TI-84 Plus CE calculator — every button explained, with tips for students on graphing, algebra, statistics, and test prep.

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Ready to start calculating?

Open the TI-84 calculator in your browser right now. No setup, no cost.

Open Calculator →

Step-by-Step

How to perform Tasks

How to find a Z-score on a TI-84?

Press STAT → TESTS → Z-Test or ZInterval → enter values → Calculate.

How to find standard deviation on a TI-84?

STAT → CALC → 1-Var Stats → select list → view standard deviation.

How to do cube root on a TI-84?

MATH → cube root, or use ^(1/3) → ENTER.

How to do fractions on a TI-84 Plus?

Use / → then MATH → ►Frac.

How to find a P-value on a TI-84?

STAT → TESTS → select test → enter data → view p-value.

How to do factorial on a TI-84?

Enter number → MATH → PRB → ! → ENTER.

How to find the correlation coefficient on a TI-84?

Turn diagnostics on (2nd → 0 → DiagnosticOn), then run STAT → CALC → 2-Var Stats to see the correlation.