Texas Instruments TI-508 PLUS

Date of introduction:  1992 Display technology:  LCD
New price:   Display size:  8
Size:  4.9" x 4.2" x 1.0"
 125 x 106 x 25 mm3
Weight:  3.0 ounces, 84 grams Serial No:  
Batteries:  n.a. Date of manufacture:  mth 01 year 1995
AC-Adapter:   Origin of manufacture:  Thailand (C)
Precision:  8 Integrated circuits:  Sharp LI3154
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

This TI-508 PLUS was introduced in 1992 together with the similiar looking TI-1795+. It followed the original TI-508 and still hides the secret why more or less identical calculators carry a "Handheld (TI-5xx)" or "Desktop (TI-17xx)" designation.

TI-508PLUS_PCB.jpg (54747 Byte)Dismantling the TI-508 PLUS is not very exciting. The calculator makes use of a typical OEM design assembled in far-east.

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Joerg Woerner, January 12, 2004. No reprints without written permission.