Re: How to identify 12C 25th Anniversary Edition Message #3 Posted by Allen on 22 Dec 2010, 7:54 p.m., in response to message #2 by Raymond Del Tondo
AFIK there are several editions of the 12C /12C platinum in order of creation:
Major Versions of standard 12c
1) Original 3-cell design 1981*-2001?
2) 1 cell design similar to first 12c Platinum 2001-2009
3) 2 cell "12c+" design 2009/2010 and later
Major Versions of Platinum Calculator
4) "12C Platinum Financial Calculator" with Silver background/1 cell 2003*-2008?
5) "HP 12C Platinum 25th anniversary" - Black background/1 cell) 2006*
6) "HP 12c Platinum Financial Calculator"- black background/2 cell- 2009-2010 and later
Other 12c Versions:
7) "HP 12c Prestige" - Brazil only (1 Cell) 2003*
*Source- HHC 2007 Calendar
I've owned all except (7), by far I prefer the 2-cell models because of the faster speed and better quality. In contrast, the 1-cell versions are slow and poorly made.
Edited: 22 Dec 2010, 7:57 p.m.
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