DATAMATH CALCULATOR MUSEUM
|Date of introduction:||1979||Display technology:||LCD|
|New price:||Display size:||8|
|Size:|| 2.3" x 3.7" x
59 x 93 x 5 mm3
|Weight:||1.6 ounces, 44 grams||Serial No:||K235379|
|Batteries:||2*LR54||Date of manufacture:||year 1978 mth 12|
|AC-Adapter:||Origin of manufacture:||Japan|
|Precision:||8||Integrated circuits:||Toshiba T3566|
|Program steps:||Courtesy of:||Joerg Woerner|
introduced in 1979 with the LC-853WA a tiny combination of a basic calculator
and a clock with alarm-time. It seems to be the successor of the Toshiba LC-834WA.
Dismantling the LC-853WA reveals a conventional construction with a Toshiba T3566 integrated circuit soldered on a flexible printed circuit board (PCB).
We know the T3566 from the Texas Instruments TI-1790 introduced in 1978.
The LC-853WA was soon replaced with the LC-859WA sporting a traditional (portrait) housing.
Don't miss the LC-840WA introducing
a full calendar function in a small calculator housing and the similar
If you have additions to the above article please email: firstname.lastname@example.org.
© Joerg Woerner, June 23, 2014. No reprints without written permission.