DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The
sales box of the TI-1255 sold
around 1977 in the US. |
This TI-1255 was
manufactured
in April 1977 by Texas Instruments in Lubbock, TX (Date code LTA 1777 » wk 17 yr 1977).
|
The TI-1255 is powered by
two rechargeable NiCd batteries.
|
The printed circuit board
(PCB) of the TI-1255 makes use of the TMS0972 calculator chip and two rechargeable batteries.
|
Close-up view of the
TMS0972 single-chip calculator circuit. |
The two plastic injection
molded parts (w/o battery cover) of the TI-1255. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, September 30, 2020. No reprints without written permission.