DATAMATH CALCULATOR MUSEUM
Texas Instruments TI-1889
|Date of introduction:||1982||Display technology:||LCD|
|New price:||Display size:||8|
|Size:|| 4.4" x 2.5" x 0.3"
112 x 65 x 7 mm3
|Weight:||1.7 ounces, 48 grams||Serial No:||103086|
|Batteries:||2*LR1130||Date of manufacture:||mth 09 year 1982|
|AC-Adapter:||Origin of manufacture:||Japan|
|Precision:||8||Integrated circuits:||Toshiba T6751|
|Program steps:||Courtesy of:||Joerg Woerner|
|Download manual:||(US: 1.0 MByte)|
with the basic calculators manufactured in Taiwan early in the Eighties, the "TI-1889 Metric
feels more substantial.
Dismantling this TI-1889 manufactured in September 1982 by Toshiba in Japan reveals a single-chip calculator circuit T6751 introduced in 1981.
A similar calculator with additional solar cells, known as TI-1895, is in daily use with the Datamath Calculator Museum to convert weight and size of the featured products. Compare it with the slimline Converter introduced 1981.
The TI-1889 compares with the Canon FC-43 introduced around 1983.
If you have additions to the above article please email: email@example.com.
© Joerg Woerner, December 5, 2001. No reprints without written permission.