[Elecraft] RPN Calc App For Android

Joe Subich, W4TV lists at subich.com
Sun Jan 30 09:53:29 EST 2022


I still have an HP15C on my desk that I picked up when I was working
at the Ohio State University and taking EE/Computer Science from '79-
'84.  It replaced an earlier model (probably an HP-25) in which both
the battery and LED module failed.   The 15C is still ticking right
along with new batteries every 5-10 years <G>.

73,

    ... Joe, W4TV


On 2022-01-30 7:57 AM, Chuck Guenther wrote:
> Interesting discussion of the RPN calculators!
> 
> I've been a user of RPN calculators for fifty years now. I started my EE 
> career in 1966 still using slide rules.
> My first calculator was the HP-25C, then went to the HP-67 and several 
> others after that. My favorite is the HP-28S, which is marvelous for 
> complex number manipulations.
> 
> Was glad to get the info on calculator Apps for the iPhone.
> 
> 73,
> Chuck NI0C
> 


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