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Calculators Connecting old TI-89 to computer

  1. Sep 7, 2012 #1
    I have the "old" TI-89 (no titanium) and it has 2,5 mm plug. Is it possible to connect the calculator to the computer via USB? I have a cable that came with the calculator, but it's connected to the serial port and my computer hasn't that on it. I have an serial-to-usb adaptor, but I haven't managed to get it working.
  2. jcsd
  3. Sep 9, 2012 #2
    Last edited by a moderator: May 6, 2017
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