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Radio Shack statesman EC-455

Date of introduction:  October, 1995 Display technology:  LCD (yellow)
New price:   Display size:  8
Size:  2.8" x 6.1" x 0.25"    
Weight:  2.5 ounces Serial No:  
Batteries:  1*LR389A  Date of manufacture:  year 1995
AC-Adapter:   Origin of manufacture:  Malaysia
Precision:  8 Integrated circuits:  Sharp
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

This EC-455 adds a TAX function to the account balancing feature of the previous EC-430.

EC-455_PCB.jpg (56506 Byte)Dismantling the EC-455 reveals a printed circuit board (PCB) with a Sharp single-chip calculator circuit.

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

Joerg Woerner, March 3, 2004. No reprints without written permission.