DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Texas Instruments TI-5142
| Date of introduction: | 1982 | Display technology: | Fluorescent |
| New price: | Display size: | 12 | |
| Size: | 10.0" x 8.2" x 2.4" | Printer technology: | Impact |
| Weight: | 3 pounds 0 ounces | Serial No: | 592247 |
| Batteries: | Date of manufacture: | mth 12 year 1982 | |
| AC-Adapter: | 120 V | Origin of manufacture: | Japan |
| Precision: | 12 | Integrated circuits: | NEC uPD1224G |
| Memories: | 1 + 1 | ||
| Program steps: | Courtesy of: | Joerg Woerner |
The
TI-5142 continued the design line started with the TI-5040
and its 12-digits sibbling TI-5220. Compared with the
earlier products the TI-5142 uses a mechanical printer which delivers 2.5 lines
per second on plain paper. The styling of this TI-5142 was adopted within
month to fit with the TI-5130. View the original
TI-5142 here.
The
internal construction of the TI-5142 is typical for a Japanese calculator:
Only few components fitted directly in the bottom shell of the housing.
In the year 1983 Texas Instruments changed the design line
again to the "office grey" colouring schema of other office products.
The desktop line covered then 6 different calculators:
 | TI-5008 Pocket-sized, thermal printing |
| TI-5010 Small-sized, standard paper |
| TI-5032 Desktop-sized, battery option |
| TI-5130 10-digits, standard paper |
| TI-5142-III 12-digits, standard paper |
| TI-5020 Non-printing, solar powered |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, November 12, 2003. No reprints without written permission.