Re: HP-71 and 75 Message #2 Posted by Ellis Easley on 5 Apr 2003, 12:53 p.m., in response to message #1 by Michel Beaulieu
The card reader is optional on the 71, it goes under the "HP71B" label. Other companies made RAM and EPROM modules that could go there, too. BTW, The 71 and 75 can't read each other's writing on the cards.
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