Columbia Scientific Electronic Calculator

Date of introduction:  1972 Display technology:  LED-modules
New price:  $100 Display size:  8
Size:  5.3" x 3.1" x 1.4"    
Weight:  10 ounces Serial No:  21112641
Batteries:  6*AA Date of manufacture:  year 1972
AC-Adapter:   Origin of manufacture:  Korea
Precision:  8 Integrated circuits:  TMS0105
Program steps:   Courtesy of:  Peter Muckermann († April 21, 2021)

The Columbia Scientific was another early calculator based on the key-technology from Texas Instruments. It stands in one row with the famous Bowmar 901B and it's siblings like the Commodore C110 and Craig 4501.

horizontal rule

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