William,
Oooops, That should have been Vrms ?^2
I never could get comfortable with RPN.? I had one of the TI programmables.?That worked good for me for a while.? I loaned it to my son when he was working on his PhD.? He just retired from the workforce.? Still don't have it back!
What sort of battery does the HP-35S use?
Chuck, W5USJ (ex K2OFN)
Point, Rains Co, TX? EM22cv
Chuck Carpenter