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Radio Shack FUN 'N CALC 2

Date of introduction:  1989 Display technology:  LCD
New price:   Display size:  8 
Size:  8.3" x 3.8" x 1.8"    
Weight:  6 ounces Serial No:  
Batteries:  2*AA  Date of manufacture:  mth 10 year 1993
AC-Adapter:   Origin of manufacture:  Thailand
Precision:   Integrated circuits:  CD4631
Memories:      
Program steps:   Courtesy of:  Joerg Woerner

Nothing else than a rebadged Texas Instruments Math...To Go!.

Fun-N-Calc2_PCB.jpg (57275 Byte)Dismantling this wonderful educational toy reveals a typical Texas Instruments design based on a CD4631 single-chip calculator chip and a flexible connection to a small LC-display.

If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, May 4, 2003. No reprints without written permission.