Once it finds your calculator, click Select. The computer should scan and find your TI-84 Plus calculator if it is plugged in. Then open up the TI Connect application and select Send To TI Device.Ĭlick the Select Device button that’s found at the top of the TI Connect window. Don’t have a mini USB cable? Buy one here. Plug the calculator into your computer using a mini USB cable. Step 3: Connect Calculator, Send to TI Device Here are the download links: TI Connect for Windows or TI Connect for Mac. To install the operating system to the calculator, you will need to download a program called TI Connect to your computer.

Save the file on the desktop of your computer. As of the publication of this article, the current version is 2.55. Visit the TI-84 Plus download page and download the TI-84 Plus family Operating System. The first step to updating your Texas Instruments calculator is to download the operating system file. Step 1: Download OS from Texas Instruments Website It takes about 5 minutes and requires a mini USB cable and a computer running Windows or Mac OS X. I figured out how to do it on my own and now I bring you this guide. The problem, however, is that I couldn’t find a simple guide on the Internet to show me how. I then decided that I needed to update the operating system on my calculator. I never realized that it mattered which version of the operating system my calculator was running until we started doing logarithms in College Algebra class I needed to do calculus homework and my calculator was missing the change of base formula (logBASE) that’s found under the MATH menu on the TI-84 Plus calculator.

I have an older-model Texas Instruments TI-84 Plus calculator that was running the operating system that Texas Instruments loaded on it a few years ago.

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