TI-84 Plus Calculator on the Web
- Go to: ROM download
- Download the file "TI-84 Plus.rom"
- Go to: https://www.cemetech.net/projects/jstified/
- Click the button on the right labeled "ROM"
- In the box below the button, click "Choose File"
- Select the file you downloaded in step 1.
- Click "Open"
- Click "I agree" in the pink box**
**If the calculator screen is completely black, repeat steps 7 and 8. Then, turn the calculator on.