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What was the first calculator with R-P and P-R keys?
04-22-2022, 08:49 AM
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RE: What was the first calculator with R-P and P-R keys?
(04-22-2022 08:36 AM)Didier Lachieze Wrote:  I would say the HP-45 in 1973 with ->P and ->R as primary and secondary functions.

Yep! Forgot about that.
1973 might be hard to beat?
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RE: What was the first calculator with R-P and P-R keys? - EEVblog - 04-22-2022 08:49 AM



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