05-26-2004, 04:53 PM
what about the serial number of your 41C?(http://www14.brinkster.com/planetatierra/detalle.asp?id=39)
it is lower than the earliest serial number listed here in MoHPC and seems to be a 1977 calculator (?)
Raul
Edited: 26 May 2004, 4:54 p.m.