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unprogrammable HP 25
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07-22-2021, 11:08 AM
Post: #1
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unprogrammable HP 25
I have a 25 that appears to work normally in RUN mode but in PRGM mode when I enter a program I see the correct keycodes as I enter them but the program ends up all GTO 00 commands.
Does this mean the RAM chip is dead? Isn't it used for RUN mode arithmetic at all? Thanks, dmh Calculator Clique on YouTube |
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unprogrammable HP 25 - dmh - 07-22-2021 11:08 AM
RE: unprogrammable HP 25 - Steve Simpkin - 07-22-2021, 11:28 AM
RE: unprogrammable HP 25 - Dave Britten - 07-22-2021, 03:21 PM
RE: unprogrammable HP 25 - dmh - 07-23-2021, 01:16 PM
RE: unprogrammable HP 25 - Dave Britten - 07-23-2021, 02:18 PM
RE: unprogrammable HP 25 - PANAMATIK - 07-23-2021, 05:43 PM
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