How to Emulate TI-83/84 Graphing Calculator

How to emulate the TI-83, TI-84, and several other calculators on both Windows and Mac.

Search for wabbitemu and select the most relevant link. It should be https://wabbit.codeplex.com/releases/view/44625.
Choose either the Windows or Mac version.
Download the file.
Open the application.
If it is ready, the default calculator will appear.
If not, set it up using Re-run setup wizard in the Help menu.
In the setup window, select Use open source software.
Then select the calculator. The TI-84 Plus SE works best.
Finish and save the ROM file anywhere. You can delete it afterwards and the calculator will still work.
Enjoy your emulated graphing calculator!