DATAMATH CALCULATOR MUSEUM
|This TI-1800 was
manufactured in May 1997 by Nam Tai
Electronics in China
for the European Market (Date code N-0597 » mth 05 yr 1997).
|The main printed circuit board
(PCB) of the TI-1800 is centered
around an unknown single-chip
calculator circuit and powered with solar cells and a small LR54 (LR1130) backup battery.
|Close-up view of the PCB-Mark
of the TI-1800.
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© Joerg Woerner, June 14, 2013. No reprints without written permission.