Hey! I got a TI-86 for christmas and need to know how to hook it up to my iMac G4. The calculator is from 1999 (date on back) and doesn't have a USB port, but rather a headphone-jack looking port on the bottom (forgive my ignorance, this is my first graphing/scientific calc). What type of cable do I need, and where can I get one? When I heard the TI-86 supports putting software on it, I was like - I didn't even know calculators could do that sort of thing.