Texas Instruments SR-10 (Italy - Version 2)

Date of introduction:  1973 Display technology:  LED modules + lens
New price:   Display size:  8 + 2
Size:  6.3" x 3.1" x 1.5"
 158 x 78 x 38 mm3
Weight:  9.2 ounces, 262 grams Serial No:  008024
Batteries:  3*AA NiCd Date of manufacture:  wk 29 year 1973
AC-Adapter:  AC9900 Origin of manufacture:  Italy
Precision:  8 Integrated circuits:  TMS0120
Program steps:   Courtesy of:  Joerg Woerner
    Download manuals:   (US: 2.915 kB)
  (US: 3.763 kB)
  (US: 2.6 MByte)

This early SR-10 manufactured in Italy is a hybrid with the electronics of the SR-10 USA V2 and the housing of the SR-10 USA V1

SR-10-V1I_1.jpg (23173 Byte)Please notice the slightly different embossing of the SR-10 logo found on this calculator compared with its twin SR-10 manufactured only few weeks later.

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If you have additions to the above article please email:

Joerg Woerner, October 23, 2003. No reprints without written permission.