DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Homeland 8009 by Toshiba
| Date of introduction: | 1977 | Display technology: | Fluorescent |
| New price: | Display size: | 8 | |
| Size: | 5.3" x 3.1" x 0.8" 135 x 79 x 20 mm3 |
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| Weight: | 3.8 ounces, 108 grams | Serial No: | 167696 |
| Batteries: | 2*AA | Date of manufacture: | year 1979 |
| AC-Adapter: | BH-310 (100V) | Origin of manufacture: | Japan |
| Precision: | 8 | Integrated circuits: | NEC uPD1801C |
| Memories: | 1 | ||
| Program steps: | Courtesy of: | Joerg Woerner |
Tokyo
Shibaura Electric Co., Ltd., better known as Toshiba - the official name since
1978 - introduced early in their history the Homeland brand.
This Homeland 8009 is almost identical with the 8109 model, but traded the 4-key Memory for the PI function.
Dismantling
the featured Homeland 8009 reveals a clean design centered around a NEC uPD1801C
single-chip calculator circuit.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, January 4, 2011. No reprints without written permission.