DATAMATH CALCULATOR MUSEUM
|Date of introduction:||1974||Display technology:||LED-modules|
|New price:||Display size:||8|
|Size:||5.0" x 3.0" x 0.9"|
|Weight:||3.7 ounces||Serial No:||400-110291|
|Batteries:||4*N cells||Date of manufacture:||mth 02 year 1975|
|AC-Adapter:||6V DC, 750mA||Origin of manufacture:||USA|
|Precision:||8||Integrated circuits:||Mostek MK50282A|
|Program steps:||Courtesy of:||Joerg Woerner|
Corvus 400 changed during production time it's
calculator brain. This one uses a MK50282A single-chip calculator circuit and two digit driver
circuits instead the MK50280A. Learn more about Mostek
Calculator Integrated Circuits.
With the JCPenney 2310 a colorful sibling of this Corvus 400 was introduced.
Within some month the four unusual N-batteries were replaced with a standard 9V battery. Don't miss the Corvus 406.
Note: The pictured calculator is a Datacal II market by V.I.P. Programs Co.
If you have additions to the above article please email: email@example.com.
© Joerg Woerner, September 19, 2002. No reprints without written permission.