Re: HP Calculator Sales Numbers Message #3 Posted by db (martinez, ca.) on 14 Mar 2013, 8:57 p.m., in response to message #1 by BShoring
B;
That sort of information is considered top secret by the bean counters in every company, but it's a subject of conjecture by aficionados. That's why you will see first and last known serial numbers for some of the more important calculators published here and there on the net.
I have seen a guess of two million hp-41s sold plus another million's worth in parts, replacement calculators and misc like give aways and samples. I don't know where blanknuts fit in in all that. That number is believable for a calc with an 11 year run.
The amazing thing to me is how many are still in daily use. Some are also of educational value, such as the one(s?) at the air and space museum. The former county surveyor here in Contra Costa County Ca. has 4 or 5 of his on display under glass in the county engineering building along with some other "antique" surveying gear.
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