Texas Instruments Speak & Maths (Type 1)

Date of introduction:  1980 Display technology:  Fluorescent
New price:   Display size:  9 alphanumeric
Size:  10.0" x 7.0" x  1.3" 
 254 x 177 x 34 mm3
Weight:  16.7 ounces, 474 grams Serial No:  
Batteries:  4*C cells Date of manufacture:  wk 36 year 1981
AC-Adapter:  AC9199 Origin of manufacture:  Italy
Precision:   Integrated circuits:  CD2708, CD2801, CD2392, CD2393
Program steps:   Courtesy of:  Joerg Woerner

Did you already noticed the small difference ? This Speak & Maths sold in the United Kingdom is 100% identical to the Speak & Math sold in the United States of America. 

Please notice the gold lettered "Texas Instruments" on the display screen and the large "TI" logo on the keyboard. The original products changed the logo in the year 1986. Compare yourself with a newer US Speak & Math.

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If you have additions to the above article please email:

Joerg Woerner, December 21, 2001. No reprints without written permission.