Texas Instruments TI-53 ZENITH data systems

Date of introduction:  1985 Display technology:  LCD
New price:   Display size:  8 (5 + 2)
Size:  5.8" x 2.8" x 0.85"
 147 x 72 x 22 mm3
Weight:  3.0 ounces, 84 grams Serial No:  
Batteries:  2*LR44 Date of manufacture:  wk 23 year 1986
AC-Adapter:   Origin of manufacture:  Italy (RCI)
Precision:  11 Integrated circuits:  TP0323
Memories:  1    
Program steps:  32 Courtesy of:  Joerg Woerner

Nothing else than a TI-53 sold by Zenith Data Systems in Germany.

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Joerg Woerner, June 24, 2014. No reprints without written permission.