DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Texas Instruments PS-4000 Pocket Thesaurus
| Date of introduction: | 1990 | Display technology: | LCD dot matrix |
| New price: | Display size: | 15 char | |
| Size: | 2.9" x 5.0" x 0.55" | ||
| Weight: | 2.9 ounces | Serial No: | 60591 |
| Batteries: | 2*AAA | Date of manufacture: | mth 07 year 1990 |
| AC-Adapter: | Origin of manufacture: | Taiwan (I) | |
| Precision: | 10 | Integrated circuits: | T9989A, TC534000, UM-6116, LCD-Driver |
| Memories: | 1 | ||
| Program steps: | Courtesy of: | Joerg Woerner |
This
small Pocket Thesaurus from the hardware and software almost identical to the RR-2
Thesaurus / Spell Checker introduced one year earlier.
The same story happened to the RR-1, view the smaller PS-3000 Pocket Speller.
This PS-4000 was donated by Irina
Rouzaeva. Thanks !
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, March 17, 2002. No reprints without written permission.