DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Toshiba LC-827
| Date of introduction: | 1980 | Display technology: | LCD (yellow) |
| New price: | Display size: | 8 | |
| Size: | 4.4" x 2.6" x 0.3" | ||
| Weight: | 1.9 ounces | Serial No: | D25663 |
| Batteries: | 2*LR43 | Date of manufacture: | year 1980 |
| AC-Adapter: | Origin of manufacture: | Japan | |
| Precision: | 8 | Integrated circuits: | NEC uPD1832G |
| Memories: | 1 | ||
| Program steps: | Courtesy of: | Joerg Woerner |
This
Toshiba LC-827 replaced the earlier LC-825. The
appearance of the two calculators is very similar, main difference in the
combination of an [ON] and [OFF]-key instead the sliding switch.
Dismantling
this Toshiba LC-827 calculator manufactured around July 1980 in Hong Kong
reveals a uPD1832G single-chip calculator circuit manufactured by
Japanese company NEC instead the usual Toshiba chips. The uPD1832G is a
stripped down variation of the uPD1833G located in Account Manager calculators
like the National Semiconductor NS 103A or
Texas Instruments TI-2200.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, September 19, 2002. No reprints without written permission.