Texas Instruments TI-1070

Date of introduction:  June 1978 Display technology:  LCD
New price:   Display size:  8
Size:  4.6" x 2.6" x 0.35"
 116 x 66 x 9 mm3
Weight:  1.9 ounces, 54 grams Serial No:  
Batteries:  2*LR43  Date of manufacture:  wk 35 year 1979
AC-Adapter:   Origin of manufacture:  Italy
Precision:  8 Integrated circuits:  TP0314
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

The TI-1070 was introduced in parallel with the TI-1030, the first US-built slimline calculator from Texas Instruments. It used a low-power CMOS integrated circuit manufactured by TI instead the Toshiba circuit in the previous TI-1750.

The keyboard is similar to the TI-1200 designs and they suffer all from the same problem of bouncing.

Simply by comparing the designation of the integrated circuits of some calculators you'll get the other members of the slimline LCD calculators and the relation ship between the Basic and Scientific models. 

TP0311    TI-1001, TI-1030, TI-1031, TI-1750-III
TP0314    TI-1070
TP0321    TI-50

Please notice the rounded design of the display frame found only with the TI-1010, TI-1030 and TI-1040.

In Spain a similar calculator was sold under the TI-1071 designation.

Read more about the memory operations possible with just the [M] and [MR] keys here.


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If you have additions to the above article please email:

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