Re: Production Dates HP41CX Fullnut vs. Halfnut Message #4 Posted by Frido Bohn on 10 Oct 2010, 5:30 a.m., in response to message #1 by Frido Bohn
Mike,
I'm sorry about the somewhat imprecise description of the 41CX's back.
What I refer to as "Edit label" is printed in white with most remarkable changes on the row where the shift key is.
There shows "|-, INSERT, GTO, REC" as shifted assignments of the "K, L, M, SST" keys.
In contrast, on the 41C/CV the print color was orange with "APPEND, ASTO, ARCL, BST" on the shifted keys of the shift-key row.
Gart,
you are correct, the designation "Fullnut" never was an official designation of the early HP41CX.
According to a list "All of HP’s Calculators – In “reversed time” Order" by "Richard J. Nelson, Jake Schwartz,
& Wlodekz Mier-Jedrezjowicz" which (re-)appeared in the HP Calculators Newsletter of Aug 2010 (HP Solve #20 Page 23-24)
the designation of the HP41CX was "Honeynut" and of the HP41C was "Coconut".
The designation "Fullnut" was a logical deduction; if there was a "Halfnut" there should be also a "Fullnut".
And it appears to be a pretty solution to make the destinction between both versions of the HP41CX.
The explanation that an HP41 was replaced by the customer service with a new model seems to be plausible.
However, I wonder whether only the top has been changed in such a procedure leaving the back as it was before,
so the customer would have a repaired calculator with the serial number of the machine he sent to HP.
By the way, the weight of both calculators (without batteries) differ with about 12% more for the Fullnut:
Fullnut: 149g (5.256 ounces)
Halfnut: 133g (4.691 ounces)
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