03-26-2003, 02:43 PM
What were the production runs for the Fullnut and Halfnut? If I have a serial number that begins with a 2526S (1985, week 26) can I tell what type of "nut" it is without actually seeing the 41cx?
Steve
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Can you tell a Halfnut by it's SN?
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03-26-2003, 03:44 PM
Much easier to just look at the LCD. See http://www.hpmuseum.org/collect.htm#variations and scroll down to HP-41C for the picture.
03-26-2003, 05:50 PM
No, there is no clear demarcation between fullnut and halfnut serial numbers.
03-27-2003, 08:24 AM
No. And you can't tell if it's a half or fullnut |