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What was the first calculator with R-P and P-R keys?
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What was the first calculator with R-P and P-R keys?
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What was the first calculator with R-P and P-R keys?
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04-22-2022, 08:36 AM
Post: #2
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RE: What was the first calculator with R-P and P-R keys?
I would say the HP-45 in 1973 with ->P and ->R as primary and secondary functions.
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| Messages In This Thread |
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What was the first calculator with R-P and P-R keys? - EEVblog - 04-22-2022, 08:23 AM
RE: What was the first calculator with R-P and P-R keys? - Didier Lachieze - 04-22-2022 08:36 AM
RE: What was the first calculator with R-P and P-R keys? - EEVblog - 04-22-2022, 08:49 AM
RE: What was the first calculator with R-P and P-R keys? - pavel nemec cz - 04-23-2022, 06:40 AM
RE: What was the first calculator with R-P and P-R keys? - EdS2 - 04-22-2022, 02:15 PM
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