DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Corvus 804
| Date of introduction: | 1975 | Display technology: | LED-stick |
| New price: | Display size: | 8 | |
| Size: | 5.4" x
3.0" x 1.1" 136 x 77 x 28 mm3 |
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| Weight: | 4.1 ounces, 115 grams | Serial No: | 33007 |
| Batteries: | 9V | Date of manufacture: | mth 03 year 1975 |
| AC-Adapter: | Origin of manufacture: | Hong Kong | |
| Precision: | 8 | Integrated circuits: | Mostek MK50112N |
| Memories: | 1 | ||
| Program steps: | Courtesy of: | Joerg Woerner |
Corvus,
the consumer division of the famous IC manufacturer MOSTEK, introduced with the
Model 804 a basic four-function calculator with Memory, square-root and percent
keys in a bright orange.
Dismantling
this calculator manufactured in March 1975 reveals a simple construction based
on the Mostek MK50112N calculator circuit and an additional driver for the red
LED display.
Learn more about Mostek Calculator Integrated Circuits.
This rare Corvus 804 calculator was donated by Alex from
GetLoFi. Thanks!
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, November 7, 2010. No reprints without written permission.