J.C. Penney 2310 - Corvus 400 

Date of introduction:  1975 Display technology:  LED-stick
New price:   Display size:  8
Size:  5.0" x 3.0" x 0.9"    
Weight:  3.7 ounces Serial No:  2310-0122872
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 MK50282N
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

This colorful variant of the original Corvus 400 was distributed in 1975 by the American department store chain J.C. Penney Company, Inc. through their catalogues.

JCP_2310_PCB.jpg (75030 Byte)Dismantling the JCPenney 2310 reveals another surprise. Instead the expected printed circuit board (PCB) of the Corvus 400 it uses the fifth revealed design. An overview of the differences is given with the latest design, don't miss the Corvus 406.

Learn more about Mostek Calculator Integrated Circuits.

Don't miss the colorful Corvus 804.

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Joerg Woerner, February 20, 2003. No reprints without written permission.