Texas Instruments TI-35 PLUS

Date of introduction:  1989 Display technology:  LCD
New price:   Display size:  10 + 2
Size:  5.3" x 2.8" x 0.45"
 135 x 70 x 11 mm3
Weight:  2.3 ounces, 64 grams Serial No:  
Batteries:  2*LR44 Date of manufacture:  wk 38 year 1991
AC-Adapter:   Origin of manufacture:  Italy
Precision:  12 Integrated circuits:  Toshiba T7767S
Memories:  1    
Program steps:   Courtesy of:  Otto Herzig
    Download manual:   (US: 5.2 MByte)

This cheap looking TI-35 PLUS introduced 1989 carries the same electronics as the stylish silver TI-35 PLUS. This calculator was replaced in end of the year 1991 with the TI-35X.

TI-35Plus_I_PCB.jpg (118700 Byte)Dismantling this TI-35 Plus manufactured in Italy reveals a Toshiba T7767S single-chip calculator circuit soldered on a flexible printed circuit board (Flex-PCB). 

The TI-35X was a short living calculator, already in 1993 Texas Instruments introduced a complete new family in a smoother housing:

TI-30X  New display with 10 + 2 digits, 3 memories
TI-30X SOLAR With Anylite solar-cells
TI-35X  Adds 2-dim statistics and hex-calculations
TI-36X SOLAR  With Anylite solar-cells


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