Re: HP 28s batteries Message #9 Posted by Andrés C. Rodríguez on 16 Dec 1999, 1:02 p.m., in response to message #8 by Stefan Granat
Stefan: I do not have any HP 28x, I just had one loaned for some days (years ago), so I remembered the batteries being N-size, as in my dear HP 41C. In fact, I asked for that loaned machine, trying to decide if I should buy (in 1988) a -28 to so replace the aging -41. The symbolic math, graphics and overall features of the -28 pleased me, but the "extreme" use of reverse notation was very uncomfortable (RPL) for me. As I was very accustomed to the "classic" RPN, 4-level stack, etc., I decided to get an HP-42S and not to take the -28, and later -48 path. I hope someone here may be more helpful. Andrés
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