4 ms·
40 years ago, the HP-41 had a whole ecosystem of add-ons that took advantage of the expansion ports. Today, I suppose, you’d be better off with just a USB port.
by Finnucane 6y ago
40 years ago, the HP-41 had a whole ecosystem of add-ons that took advantage of the expansion ports. Today, I suppose, you’d be better off with just a USB port.