DATAMATH CALCULATOR MUSEUM
Texas Instruments TI-1895 II
|Date of introduction:||October 1986||Display technology:||LCD|
|New price:||Display size:||8|
|Size:|| 4.4" x 2.6" x 0.30"
113 x 67 x 8 mm3
|Weight:||1.8 ounces, 52 grams||Serial No:|
|Batteries:||n.a.||Date of manufacture:||mth 02 year 1989 (A)|
|AC-Adapter:||Origin of manufacture:||Taiwan (C)|
|Program steps:||Courtesy of:||Joerg Woerner|
|Download manual:||(US: 5.3 MByte)|
differences to the original TI-1895 introduced in
1984 are the smaller solar cells and the changes styling of the calculator.
Dismantling this TI-1895 II Metric Converter manufactured in February 1989 by Cal-Comp Electronics in Taiwan reveals a typical design of a Far East contract manufacturer centered around an unknown single-chip calculator circuit.
of the TI-1895 II moved soon to Thailand.
Inspecting the PCB of this TI-1895 II calculator brought our attention to a small mark reading S39A-12, we spotted this mark already with the Radio Shack EC-318 and a similar PCB-Mark reading S32B-II 1K with the TI-108. We discovered recently a TI-1895 II with the date code C-1186A from the first production run and consequently sporting a S39A-11 mark. We started compiling a list of the PCB-Marks on calculators manufactured by OEMs for Texas Instruments.
If you are interested in really powerful metric conversion calculators, look for either the Canon FC-80 or the TI-1890.
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© Joerg Woerner, December 30, 2014. No reprints without written permission.