• Here are some helpful websites: 
    Online Graphing Calculator:
    1.  Click on Download 
    2. On the next page choose the first option - TI-83 Plus SDK
    3. Click save, and save it somewhere you can easily find it, like on your Desktop or in My Documents
    4. After it downloads, find, and double-click the downloaded file to run the Setup.  Agree to everything, but you do not have to restart your computer at the end.
    5.  You can now run the program.  It will open, go to File - New - choose TI-83 Plus SIlver Edition.  Then Select Debug-Go.
    Printable Protractor Image:
    Online Scientific Calculator:
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