Re: HP 65 & HP 67 Program Cards Message #3 Posted by Ignazio Cara (Italy) on 6 Jan 2011, 5:12 a.m., in response to message #1 by Clayton
No.
In the '65 the instructions are coded on 6 bit, on the '67 on 8 bit.
The magnetic cards (phisically) are the same!
Take care.
Ignazio
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