New features are added to product software based on teacher feedback. It is worthwhile keeping your calculator operating system up to date. It is FREE and easy to do. The Operating system of your calculator can be updated from another TI-84Plus calculator or via a computer with TI-Connect loaded. The TI-Connect software is also FREE. You can also use TI-Connect to manage your operating system status, simply click on the ‘updates’ button on the TI-Connect software.
The latest TI-84 Plus family Operating System
To check the current operating system on your calculator press: [2nd] + MEM and select option 1, 'about'.
Click here to check and download the latest operating system from Texas Instruments.