DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Corvus 322
| Date of introduction: | July 1974 | Display technology: | LED-modules |
| New price: | $79.95 | Display size: | 8 |
| Size: | 6.0" x 3.0" x 1.4" | ||
| Weight: | 4.9 ounces | Serial No: | 322-173570 |
| Batteries: | 4*AA cells | Date of manufacture: | mth 01 year 1975 |
| AC-Adapter: | A3310 6V DC, 100mA | Origin of manufacture: | USA |
| Precision: | 8 | Integrated circuits: | Mostek MK5022A |
| Memories: | 1 | ||
| Program steps: | Courtesy of: | Joerg Woerner | |
| Download manual: | 
(US: 2.7 MByte) |
Corvus,
the consumer division of the famous IC manufacturer MOSTEK, introduced with the
Model 322 a basic four-function calculator with full memory.
The
printed circuit board (PCB) of the Corvus 322 makes use of the MK5022A
single-chip calculator circuit. We know the MK5020A,
a clone of the Texas Instruments one-chip calculator circuit TMS0102.
But this one lacked the memory. Learn more about Mostek
Calculator Integrated Circuits.
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Three different models were available: •
Model 320: Includes four AA-sized batteries. |
The Corvus 310 series removed the memory but added the square-root function. Other calculators sold under the Corvus brand are the 400, 415, 500, and 615 models. Don't miss the colorful Corvus 804.
Don't miss the Magiclick 450, a perfect doublet of the Corvus calculator using a brain manufactured by Rockwell.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, September 19, 2002. No reprints without written permission.