Wouldn't your TI calculator be way cooler with some sweet programs like Nintendo or Tetris?
This is a short tutorial on extracting the files from a ZIP archive, and transferring them to your calculator.
For a more in depth tutorial on transferring, see our text tutorial:
If you need a cable, you can get one from the TI Wizard Store:
The cable is called Cables To Go - 27005 - 2M USB 2.0 A/Mini-B Cable (Black) and is under the category "TI Calculator Accessories"