Left your calculator at home? Use the full TI-84 Plus in your browser — free, instant, no setup.
Getting Started
No downloads, no account, no waiting. Open the calculator and start.
Click "Open Calculator" above. It loads directly in your browser — nothing to install. Works on Chrome, Safari, Firefox, and Edge.
Basic math, graphing, statistics, matrices — the same menus you'd find on the physical TI-84 are all there.
Press Enter and the result appears instantly. No lag, no server round-trips. Everything runs on your device.
Key Features
Each feature below mirrors the real calculator's layout. If you already know the TI-84, you'll feel right at home.
Type your functions here and graph them. Supports multiple functions plotted at once. T.vst29.03 Firmware Upgrade
Cube roots, fractions, absolute values, and probability functions — all in one menu.
Enter data lists and run standard deviation, variance, regression, and Z-tests. Below are the typical methods
Set exact X and Y ranges to control which part of the graph is visible.
Access all secondary functions printed above each key, exactly like the physical calculator. USB / SD card
Type variable names and letters — useful for storing values and working with programs.
Build matrices, find determinants, calculate inverses, and solve matrix equations.
Fix typos without resetting your work. Behaves exactly like the physical keys.
Below are the typical methods. Use the one supported by your device.
USB / SD card
TFTP (for network devices with bootloader)
Serial/Console (advanced / recovery)
OTA (Over-the-Air)
For VGA or HDMI sources, firmware upgrades can fix:
Power Off the Board: Disconnect the 12V power supply completely.
Insert USB Drive: Plug the USB drive into the USB port on the T.vst29.03 board.
Initiate the Upgrade:
Observe the LED Indicator:
Completion:
What it handles
From basic arithmetic to calculus, the calculator covers the operations you'll actually use in class.
Why use this
A few things that make this different from other online calculators.
All calculations happen locally on your device. Nothing goes to a server, so there's no lag and no privacy concerns.
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.
The layout adjusts automatically for phones, tablets, and desktops. The keypad is touch-friendly on mobile.
Below are the typical methods. Use the one supported by your device.
USB / SD card
TFTP (for network devices with bootloader)
Serial/Console (advanced / recovery)
OTA (Over-the-Air)
For VGA or HDMI sources, firmware upgrades can fix:
Power Off the Board: Disconnect the 12V power supply completely.
Insert USB Drive: Plug the USB drive into the USB port on the T.vst29.03 board.
Initiate the Upgrade:
Observe the LED Indicator:
Completion:
Latest Articles
Explore our latest guides to help you master your TI-84 calculator and explore all its features.
Step-by-step guide to resetting your TI-84 calculator — covering RAM reset, full memory wipe, and a hard battery reset for a frozen screen.
Read More →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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Read More →A simple step-by-step guide covering four methods to calculate a cube root on the TI-84 calculator.
Read More →A complete guide to the TI-84 Plus CE calculator — every button explained, with tips for students on graphing, algebra, statistics, and test prep.
Read More →Open the TI-84 calculator in your browser right now. No setup, no cost.
Open Calculator →