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HP-45



#2

I have got a HP-45 and I see the model is not written in the front label (just hewlett packard). Is this usual?.
I can´t use the timer facility (RCL CHS 7 8). Are there calculators without it?.

Thanks

Jon


#3

Are you sure it isn't an HP35 or HP80?


#4

Yes, I am sure. I can send you a photograph if you say to me your e-mail

Best Regards

Jon

#5

Supposedly the later models of the 45 don't have the timer in ROM. What's the serial number on yours? The most recent one that I have is 1350Axxxxx and it has the timer in there.


#6

The timer works. I was doing it wrong, sorry. I was pushing all the keys at the same time. When I push RCL and after CHS-7-8 it works.
In the other hand I insist, it is a HP-45 and the model doesn´t appear in the front label :-)

#7

I have never seen an HP-45 without the timer function, and I have played with some very late model ones.

I would suspect that your machine either has had the front label replaced from a '35 or an old style label was left hanging around in the HP parts bin and was used when the machine was built. I have seen quite a few flukes like this (particularly very early in the production cycle) like HP25C machines with HP25 front labels, or keyboards that did not have "Continuous Memory". I also have an HP25 with an HP22 front label (known to have come that way from the factory).


#8

May be somebody is interested on the serial number. It is 1507S06263


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