DATAMATH CALCULATOR MUSEUM
Texas Instruments TI-1788 II
|Date of introduction:||1982||Display technology:||LCD|
|New price:||Display size:||8|
|Size:|| 3.6" x 2.3" x 0.3"
91 x 57 x 8 mm3
|Weight:||1.3 ounces, 38 grams||Serial No:||82862643|
|Batteries:||Date of manufacture:||year 1982|
|AC-Adapter:||Origin of manufacture:||Taiwan|
|Precision:||8||Integrated circuits:||NEC uPD1032G|
|Program steps:||Courtesy of:||Joerg Woerner|
TI-1788 II corrected the unusual keyboard layout of the TI-1788
introduced just a few month earlier. Unfortunately is even this revised
layout not very convenient, you hit easily the [CE/C] button and repeat your
The backside of the calculator reveals another unusual feature - a hidden POWER switch. The calculator was obviously manufactured in Taiwan but we are not able to trace back its roots.
The internal construction of the TI-1788 II is typical for a far-east manufactured calculator of the 1980's and looks familiar to us. The single-chip calculator circuit was manufactured by NEC, Japan.
The next calculator in this line added a currency conversion function. Don't miss the TI-1788 III.
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© Joerg Woerner, April 5, 2008. No reprints without written permission.