A harking for the past?

I have a few Rockwell 920s, they have printers and magnetic cards and a lot of program steps. I have a PC1300, that also has a printer and magnetic cards. The paper on that one uses the the metalised paper, though, which is tricky to find. I also have a Casio PRO FX-1 which uses magnetic cards. The Casio and Sharp have hand-powered card readers, which is more reliable than the motorised version,…