Graphing+Calculators

One of the best resources I have seen ! Download the 84 operating system from the TI website and then follow the instructions on this word document. I believe this is for PC users only. Let me know if you see a Mac version!

Math Bits One of the most useful calculator websites I have seen demonstrating clear step-by-step instructions.
 * Ti-84 Calculator**

Includes Ti Nspire handheld key strokes and activities to familarize with the TI-Nspire key functions

Math Tools

TI 84/Ti 84 SE Guide Book Texas Instrument official guidebook

Desmos - Free online graphing tool