Texas Instruments TI-503+

Date of introduction:  1995 Display technology:  LCD
New price:   Display size:  8
Size:  4.1" x 2.6" x 0.35"    
Weight:  1.6 ounces Serial No:  
Batteries:  LR54 (30A) Date of manufacture:  mth 12 year 1995
AC-Adapter:   Origin of manufacture:  China
Precision:  8 Integrated circuits:  Toshiba T6A73
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

The TI-503+ is nothing else like a TI-507+ without the solar cells. It followed the TI-503 introduced about 3 years earlier. It was later replaced with the TI-503SV.

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If you have additions to the above article please email:

Joerg Woerner, December 5, 2001. No reprints without written permission.