DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Canon card EX-1
| Date of introduction: | 1977 | Display technology: | LCD (yellow) |
| New price: | Display size: | 8 | |
| Size: | 3.9" x 2.2" x 0.15" | ||
| Weight: | 1.1 ounces | Serial No: | 674297 |
| Batteries: | CR2025 | Date of manufacture: | mth 10 year 1978 |
| AC-Adapter: | Origin of manufacture: | Japan | |
| Precision: | 8 | Integrated circuits: | NEC uPD1824G |
| Memories: | 1 | ||
| Program steps: | Courtesy of: | Joerg Woerner |
Canon
introcuced in 1977 one of the first calculators performing money conversions and
was far ahead the later €-calculators like the €-2000.
The
printed circuit board (PCB) of the EX-1 makes use of the NEC uPD1824G single-chip calculator circuit.
NEC introduced with the uPD1833 a much more successful calculator circuit found
in the Money Managers like the Checkbook.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, September 20, 2003. No reprints without written permission.