การดู
1:34
HP-65 and HP-67 performing user diagnostic program
2:22
HP 67 and HP 41C Card Readers and Program Translation Using Calendar Functions from Standards Pac
3:24
HP 67 Scientific Programmable Calculator Diagnostic Program SD-15C (self-test)
1:29
HP67 CALCULATOR DEMO OF THE HP DIAGNOSTIC PROGRAM
1:33
Demo of the HP-67 Calculator
6:36
HP67 Calculator - Quick Overview
7:24
Changing NiMH Batteries on HP 67 Calculator
2:42
HP 67 Scientific Calculator Completing Diagnostic Program SD-15C
