HP-80 Unexplained Key Sequence?
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06-22-2014, 05:36 PM
Post: #7
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RE: HP-80 Unexplained Key Sequence?
By coincidence, I just got a beautiful HP-80 from TAS 2 days ago, and while playing with it, I entered repeated 8's to verify the LED segments, and discovered it does a similar (by that I mean unexpected) thing.
Initially of course, it fills the display left to right, but once filled, the exponent field grows by 1 for each addional press of 8, or indeed any numeric entry key. As noted above, just another unexpected result (as opposed to bug I suppose) which was 'corrected' in later models. Of interest, the s/n begins 1247... meaning one of the earlier units produced, since Introduction was 1973. The HP-35 2.02 bug is well known, but are there analogous HP-80 bugs in history books? --Bob Prosperi |
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Messages In This Thread |
HP-80 Unexplained Key Sequence? - Max Stone - 06-21-2014, 07:37 PM
RE: HP-80 Unexplained Key Sequence? - Massimo Gnerucci - 06-21-2014, 08:11 PM
RE: HP-80 Unexplained Key Sequence? - Max Stone - 06-21-2014, 08:15 PM
RE: HP-80 Unexplained Key Sequence? - Martin Paech - 06-21-2014, 08:26 PM
RE: HP-80 Unexplained Key Sequence? - Martin Paech - 06-21-2014, 08:35 PM
RE: HP-80 Unexplained Key Sequence? - bshoring - 06-22-2014, 04:40 AM
RE: HP-80 Unexplained Key Sequence? - rprosperi - 06-22-2014 05:36 PM
RE: HP-80 Unexplained Key Sequence? - HP67 - 06-22-2014, 05:47 PM
RE: HP-80 Unexplained Key Sequence? - Thomas Klemm - 06-26-2014, 04:25 AM
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