DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This TI-1798 Desktop Calculator
was
manufactured in September 1990 by Inventec Corporation in Taiwan (Date code I-0990 » mth 09 yr 1990).
|
|
The TI-1798 manufactured
in Taiwan is powered by
4 solar cells and misses the backup battery
. |
|
Close-up view of the Toshiba T9731BU single-chip calculator
circuit. |
Close-up
view of the PCB-Mark of a TI-1798. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, March 21, 2020. No reprints without written permission.