Radio Shack EC-4043

Date of introduction:  1994 Display technology:  LCD
New price:  $19.95 Display size:  10 + 2
Size:  5.7" x 2.8" x 0.55"
 146 x 72 x 14 mm3
Weight:  3.0 ounces, 84 grams Serial No:  
Batteries:  n.a. Date of manufacture:  mth 43 year 1994
AC-Adapter:   Origin of manufacture:  Italy
Precision:  12 Integrated circuits:  Toshiba T6A57
Memories:  3    
Program steps:   Courtesy of:  Joerg Woerner

The EC-4043 is like its siblings EC-4042 and EC-4044 nothing else than a rebadged Texas Instruments calculator.

This one is based on the TI-36X, dismantling the calculator gives even the TI logo on the printed circuit board (PCB).

Read more about the Logarithm Bug and its side effect on the related yx function present in this calculator.

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If you have additions to the above article please email:

Joerg Woerner, January 19, 2003. No reprints without written permission.