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  1. F

    Is it still possible to buy REX for TRS model 100?

    The website seems like it has not been updated for a bit. Anyone have rex3? is it worth it?
  2. F

    saving to cassette tape with the TI 74, but without the cable.

    This 80s calculator, a TI 74 has a function that lets you save BASIC programs to a cassette tape. But, I don't have the cable to connect to a tape deck (or MP3 recorder?) So, I put my oscilloscope on the contacts (The ground pin and 6th pin): this shows that the digital signal is easy to detect...
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