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TI-84 Calculator Online – Free Texas Instruments Graphing Calculator

Use our free TI-84 calculator online — a fully functional Texas Instruments TI-84 Plus CE emulator. Perfect for students, teachers, and professionals. Supports graphing, scientific functions, and standard arithmetic.

SAT Approved Functions ACT Approved Functions Graphing Calculator No Download Needed
TEXAS INSTRUMENTS TI-84 Plus CE
NORMAL
TI-84 Plus CE
QUIT
TABLE SET
INS
A-LOCK
X
STAT PLOT
TEST
ANGLE
DRAW
DISTR
CATALOG
MATRIX
SIN-1
COS-1
TAN-1
π
√
x√
e^
10^
EE
RCL
{
}
EE
e
ANS: 0  |  MEM: 0

History

Calculations will appear here

Quick Reference

sin(x) Sine
cos(x) Cosine
tan(x) Tangent
√(x) Square Root
ln(x) Natural Log
log(x) Log base 10
π Pi ≈ 3.14159
e Euler ≈ 2.71828
abs(x) Absolute Value
x² Squared

Memory (A–E)

MATH Menu

What Is the TI-84 Calculator?

The TI-84 calculator is a graphing calculator manufactured by Texas Instruments and is one of the most widely used educational calculators in the world. First introduced in 2004 as a successor to the TI-83 Plus, the TI-84 Plus has become the gold standard for high school and college mathematics. Whether you're working through algebra, trigonometry, statistics, or calculus, the ti 84 calculator texas instruments handles it all.

Our free online TI-84 calculator emulator replicates the functionality of the physical TI-84 Plus CE, giving students access to the same powerful ti 84 calculator graphing engine, scientific functions, and memory storage — directly in their browser, at no cost. This is the ideal ti 84 calculator free solution for anyone who needs the tool on a computer, tablet, or phone.

Key TI-84 Model Lineup

Texas Instruments has released several versions of the TI-84. The most common models are the TI-84 Plus (standard), the TI-84 Plus Silver Edition (higher memory), and the flagship TI-84 Plus CE (full color screen, rechargeable battery via mini-USB). All models are eligible for use on standardized tests like the SAT and ACT.

How to Use the TI-84 Calculator Online

Using our ti 84 calculator online is straightforward. You can interact with the on-screen keypad just like a physical calculator, or use your keyboard for faster input. Here's a quick guide:

Action How To Do It Example
Basic Arithmetic Press number keys, then +/−/×/÷, then ENTER 45 + 27 = 72
Trigonometry Press SIN / COS / TAN, enter angle, press ) sin(30) ≈ 0.988
Square Root Press √ button or type Math.sqrt() √144 = 12
Exponents / Power Press ^ key between base and exponent 2^10 = 1024
Graphing Switch to Graph tab, enter Y1 = f(x), click Plot Y1 = Math.sin(x)
Value Table Switch to Table tab, enter function, start and step Y = x² from -5 to 5
Store Memory Calculate a result, select memory slot, press STO Store 3.14 → A

TI-84 Plus CE vs. TI-84 Plus: What's the Difference?

The most significant difference between the TI-84 Plus CE and the older TI-84 Plus is the display. The CE model features a full-color backlit LCD screen, making graphs and plots significantly easier to read. The CE is also thinner, lighter, and uses a rechargeable battery charged via a standard mini-USB cable — the same type used for the ti 84 graphing calculator charger. The CE also supports the Python programming language through an optional app.

The older TI-84 Plus Silver Edition offered more RAM and archive memory than the base model, and came in a range of ti 84 calculator colors including ti 84 calculator pink and ti 84 calculator purple. These became popular collectibles and remain widely used today.

Is the TI-84 Plus CE Allowed on the SAT and ACT?

Yes. The TI-84 Plus CE is an approved calculator for both the SAT and the ACT. It does not have a CAS (Computer Algebra System), which is the key reason it qualifies. The only exception is the TI-84 Plus CE Python edition — for this model, the Python app must be removed before the exam. Our ti 84 calculator online replicates the same allowed feature set.

Where to Buy a TI-84 Calculator and How Much Does It Cost?

A brand-new TI-84 Plus CE typically costs between $100 and $130 USD. You can find it ti 84 calculator at Target, ti 84 calculator at Best Buy, Walmart, Staples, and online through ti 84 plus Amazon listings. If budget is a concern, used or refurbished units are available on ti 84 calculator eBay for considerably less — often ti 84 calculator for cheap at $40–$70 for a functional used unit.

Some schools and libraries offer a ti 84 calculator for rent or ti 84 calculator rental program, especially during exam season. If you only need the calculator temporarily — for a test, a project, or studying — using a free ti 84 calculator digital solution like ours is the smartest option.

TI-84 Programs, Apps, and Games

One of the most beloved features of the TI-84 family is its programmability. Students and developers have created thousands of ti 84 calculator programs — from math solvers and physics formulas to fully playable ti 84 plus games. The famous ti 84 calculator pokemon game is one of the most downloaded programs in the TI community, along with ports of Snake, Tetris, and Flappy Bird. These programs run through the built-in ti 84 plus app infrastructure.

The TI-84 Plus CE also supports downloadable applications from the Texas Instruments website, including the ti 84 calculator software suite, inequality graphing apps, finance apps, and science tools. The ti 84 plus emulator for desktop (TI-SmartView) is also available from TI for educators, though it costs money — making our free browser-based ti 84 calculator virtual tool the best free alternative.

Frequently Asked Questions

Everything you need to know about the TI-84 calculator

Yes. SimpliConvert's TI-84 Calculator Online is a completely free, browser-based emulator that replicates the Texas Instruments TI-84 Plus CE. No download, no login, and no software installation required. Simply open the page and start calculating — it works on any device including phones, tablets, and laptops.
Yes — the TI-84 Plus CE is approved for both the SAT and the ACT. The College Board and ACT both allow graphing calculators without a CAS (Computer Algebra System), and the standard TI-84 Plus CE qualifies. The only caveat is the TI-84 Plus CE Python edition: the Python programming app must be removed before the test. The standard TI-84 Plus is also fully approved for both exams.
To reset a physical TI-84 calculator: press 2ND, then MEM (the + key), select option 7: Reset, then choose 1: All RAM to clear all user data, or 2: Defaults to restore factory settings while keeping apps. Confirm by selecting Reset. For the online version, simply refresh the page. A RAM reset clears all stored programs, lists, and variables.
To clear the home screen, press the CLEAR button once (clears the current line) or twice (clears the entire screen). To clear all stored lists, go to 2ND → MEM → 4: ClrAllLists. To delete specific stored variables or programs, navigate to 2ND → MEM → 2: Mem Mgmt/Delete and select what you want to remove. On our online calculator, pressing CLEAR removes the current expression.
A new TI-84 Plus CE typically costs $100–$130 USD. You can buy one at Target, Best Buy, Walmart, Staples, or online through Amazon. Used or refurbished models sell for $40–$70 on eBay, Facebook Marketplace, or Amazon. Some schools also offer rental programs. If you only need the calculator for occasional use, our completely free TI-84 calculator online is the best alternative.
The TI-84 Plus CE charges using a mini-USB cable (not micro-USB or USB-C — it's the older, wider mini-USB connector). You can plug it into any standard USB wall adapter or computer USB port. A full charge takes approximately 4–6 hours and provides around one month of typical classroom use. The older TI-84 Plus (non-CE) uses AAA batteries and does not have a charging port.
No. The TI-84 Plus CE does not have a CAS. It cannot perform symbolic algebra, factor polynomials symbolically, or simplify algebraic expressions with variables. This is the main reason it's permitted on the SAT and ACT — both exams prohibit CAS calculators. If you need CAS functionality, you'd need a TI-89 Titanium or the TI-Nspire CX CAS, neither of which are allowed on the SAT or ACT.
TI-84 calculators are expensive primarily because Texas Instruments holds a near-monopoly in the standardized testing market. Since the College Board and ACT approve specific calculator models, schools mandate them — removing consumer choice. The underlying hardware is decades old, yet institutional demand keeps retail prices high. This is also why a free TI-84 calculator online like the one on SimpliConvert is so valuable — it gives every student access to the same functionality at zero cost.
On a physical TI-84 Plus CE, fractions are entered using the ALPHA → Y= (n/d) shortcut or via the MATH → 1: Frac function, which converts a decimal result to a fraction. To display a calculation as a fraction, type your expression, press MATH, select 1: ▶Frac, and press ENTER. On our online TI-84 calculator, simply type expressions using the / division operator — results are shown in decimal form.

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