TI-89
It came with a USB/Serial cord, I guess? Or a USB/USB B? I don't really know what it is, but the computer won't recognize my calculator. It even says it is connected in the USB menu in the System Profiler.
I think the TI websites tell me that I need to buy some connector thing, which I don't believe I need to.
Anyone else connect their TI-89 to their computer?