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HP 67 and HP 41C Card Readers and Program Translation Using Calendar Functions from Standards Pac
HP 67 Scientific Programmable Calculator Diagnostic Program SD-15C (self-test)
HP-65 and HP-67 performing user diagnostic program
HP-67 Program for optimising F14's AWG-9 scan parameters; Demonstration
HP 67 Scientific Calculator Completing Diagnostic Program SD-15C
HP67 CALCULATOR DEMO OF THE HP DIAGNOSTIC PROGRAM
Refurbished HP-67 loading "Diagnostic" program card
HP 67 Teenix CPU Board Upgrade to Continuous Memory and More