Re: HP 41 rechargeable batteries Message #6 Posted by Garth Wilson on 22 Apr 2004, 4:03 p.m., in response to message #4 by Veli-Pekka Nousiainen
> Have you ever used a Magnetic Card reader or IL drive extensively?
Card reader or bar code reader, no. HPIL, yes. At the last place I worked, in about 1986-87 we tested the first $2,000,000 of a product with an HP41cx controlling a rack of IEEE-488 equipment through the HPIL-to-HPIB interface converter. It was running the program 8 hours per day, making heavy use of HPIL, and a set of alkaline batteries lasted for weeks. With the way I use it now, a set of alkalines probably lasts a couple of years.
OTOH, the 41c had very little memory compared to the cv or cx, so I can understand why you'd be needing the card reader more often. I have the tape drive, and virtually never need it because everything I need fits in my 41's memory all at once, all the time.
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