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Texas Instruments TI-68

Date of introduction:  1991 Display technology:  LCD dot matrix
New price:  $65 Display size:  12 (8+2)
Size:  5.9" x 2.9" x 0.6"
 150 x 74 x 15 mm³
   
Weight:  3.3 ounces, 93 grams Serial No:  
Batteries:  CR2032 Date of manufacture:  wk 45 year 1990
AC-Adapter:   Origin of manufacture:  Italy
Precision:  13 Integrated circuits:  Toshiba T9948A
Memories:  0-55    
Program steps:  440-0 Courtesy of:  Joerg Woerner
    Download manual:   (US: 0.3 MByte)

TI-68_RCI4590_Back.jpg (351807 Byte)The construction and appearance of the original TI-68 - introduced 1989 - was changed in 1991 to reduce manufacturing costs and enhance durability. 

TI-68_1_Mask.jpg (48487 Byte)Most obvious change is the plastic bezel around the display instead the former metal bezel.

TI-68_RCI4590_PCB.jpg (294867 Byte)TI-68_RCI4590_PCB1.jpg (343687 Byte)TI-68_RCI4590_Back.jpg (351807 Byte)Dismantling the second generation of the TI-68 reveals no big surprises, the printed circuit board (PCB) was slightly revised but the Toshiba T9948A single-chip calculator circuit is still in use.

Another four years later part of the production of the TI-68 was shifted to Malaysia and later to China, compare the differences here.

Compare this TI-68 of the second series with the EC-4044 sold by Radio Shack.

Missing your TI-68? Missing your TI-68? Think about the TI-30X Pro MultiView introduced in 2010 and its twin TI-36X Pro.



The TI-68 is featured in the Texas Instruments Incorporated sales catalog CL-1233 dated 1994.

AOS™ and EOS™ are  trademarks of Texas Instruments.

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If you have additions to the above article please email: joerg@datamath.org.

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