TI Connect

TI Connect is vital to installing programs onto your TI calculator from the computer. It also allows you to utilize the computer to enhance the functionality of the calculator.
   Here is the link to download it:
http://education.ti.com/calculators/downloads/US/Software/Detail?id=183

The newest operating system for the TI-84+ family

Follow the link. Click TI-84 Plus family Operating System to download it. I would alosadvize downloading Catalog Help to learn some of the required syntax with the new operating system. http://education.ti.com/calculators/downloads/US/Software/Detail?id=6014&ref=%2fcalculators%2fdownloads%2fUS%2fSoftware%2fSearch%2fResults%3fcp%3d2%26ac%3d1%23view-1