DATAMATH CALCULATOR MUSEUM
Texas Instruments TI-1265
|Date of introduction:||April 9, 1976||Display technology:||Fluorescent|
|New price:||$26.95||Display size:||8|
|Size:|| 5.5" x 2.8" x 1.4"
138 x 70 x 35 mm3
|Weight:||4.5 ounces, 127 grams||Serial No:||186926|
|Batteries:||9V||Date of manufacture:||wk 02 year 1977|
|AC-Adapter:||AC9180||Origin of manufacture:||USA|
|Program steps:||Courtesy of:||Joerg Woerner|
In comparison with all other members of the huge TI-1200 and TI-1400 line you'll find here a blue-green fluorescent display. This gives you both a better readability and a longer lifetime of the 9V battery.
The internal design of the TI-1200 was changed to accommodate
the larger display tube. Instead of the TMS095x and TMS097x calculator circuits,
this one makes use of the TMS1043 single-chip calculator circuit based on the
We know this IC already from the TI-2550 III sporting even [1/x], [x2] and [sqr(x)] keys.
The Dutch department store HEMA sold an identical model as reactor 1265.
Don't miss the rare Texas Instruments 1265 manufactured for Koh-I-Noor Hardtmuth.
If you have additions to the above article please email: firstname.lastname@example.org.
© Joerg Woerner, December 5, 2001. No reprints without written permission.