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Texas Instruments TI-57 II

Date of introduction:  1986 Display technology:  LCD
New price:   Display size:  8 + 2
Size:  5.8" x 2.8" x 0.85"
 147 x 72 x 22 mm3
   
Weight:  3.0 ounces, 84 grams Serial No:  
Batteries:  2*LR44 Date of manufacture:  wk 12 year 1987
AC-Adapter:   Origin of manufacture:  Italy
Precision:  11 Integrated circuits:  TP0456/CD4555, CD4572
Memories:  1-7    
Program steps:  48-0 Courtesy of:  Joerg Woerner
    Download manual:    (IT: 10.6M Bytes)
  (GB: 9.6M Bytes)

In the year 1986 the design of the 2nd generation slanted calculators was slightly changed:

The TI logo moved from bottom left to the top right of the calculator

Compare this TI-57 II with its predecessor here.

We know from other TI consumer products like the entire Speak & Spell line a similar movement in the corporate identity during the year 1986.

TI-55-III_Switch.jpg (21749 Byte)Between 1985 and 1986 Texas Instruments created an amazing number of different designs in the "Second Generation - Slanted LCD" calculator series just by moving production to Original Equipment Manufacturers (OEMs) in Far East, moving manufacturing back to their own facilities and revising the design. Please click on the picture at the right as a switchboard to all known versions of the Second Generation Slanted LCD calculators.

 

 



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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.