TI Calculator Tutorials:

1. Graphing Calculator Help (Prentice Hall)
    - Step-by-step keystrokes listed alphabetically. Covers major graphing calculators
2. TI-83 Tutorials -- intro, graphing, functions, etc.
3. Using TI-83 Graphing Calculator Tutorial
4. Scientific Notation on the TI-83
5. Line of Best Fit; Plotting (Stat Plot)
   1. TI-83 Data Fitting Tutorial - Step-by-Step keypresses for Line of Best Fit by Mrs. Caserta
   2. TI-82,83 Data Fitting Tutorial—An Overview - Step-by-step tutorial with exercises.  Stop at page 12 (Exponential Regression).

TI.com Calculator Sites:

1. TI-83 Plus
2. TI-84 Plus
3. TI's website for Graphing Calculators

TI-Graph Link Cable and Software:

1. TI Accessory Store TI Graphing Calcs
   Then click your calculator for accessories
2. Free Download of TI-Connect Software -- cable is required
3. Free Download of TI-Graph Link Software -- cable is required.

Free Programs (use at your own risk):

Click Archives at:  http://www.ticalc.org/