Texas Instruments TI-1798

Date of introduction:  1990 Display technology:  LCD
New price:   Display size:  8
Size:  5.4" x 4.1" x 1.15"
 136 x 106 x 29 mm3
Weight:  3.4 ounces, 97 grams Serial No:  
Batteries:  n.a. Date of manufacture:  mth 09 year 1990
AC-Adapter:   Origin of manufacture:  Taiwan (I)
Precision:  8 Integrated circuits:  
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

This stylish small desktop calculator fits somewhere between the TI-1795A and the TI-1775. Main difference is the [GPM] key. 

It is the successor of the valuable TI-1798 introduced already in 1986.

In Europe the TI-1798 was sold with an internal battery as TI-510.

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If you have additions to the above article please email:

Joerg Woerner, March 23, 2003. No reprints without written permission.