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CONCEPT VI (distributed by Zayre Corp. ?)

Date of introduction:  1977 Display technology:  LED-stick
New price:  SRP $5.99 Display size:  8
Size:  4.7" x 2.8" x 0.85"
 120 x 70 x 22 mm3
   
Weight:  2.6 ounces, 75 grams Serial No:  134442
Batteries:  9V  Date of manufacture:  year 1977
AC-Adapter:   Origin of manufacture:  Hong Kong
Precision:   Integrated circuits:  TMS0972
Memories:      
Program steps:   Courtesy of:  Joerg Woerner

Early in 2010 we focused on the Zayre CONCEPT Calculator Series that culminated in June 1976 with the introduction of the Texas Instruments CONCEPT I, CONCEPT II, and CONCEPT III calculators based on the TI-1200, TI-1250, resp. SR-16 II but disappeared already in August 1979 with the clearance sales of the CONCEPT COMPACT calculators.

One of the the non-TI based calculators, the CONCEPT VI is nothing else than what we refer in the Datamath Calculator Museum as Far East Generic Design II. You might understand our surprise here at the Datamath Calculator Museum, when we located in March 2011 on United Kingdom's eBay site this completely different looking "CONCEPT VI" calculator.

We have our doubts that this cheap looking calculator is actually a product sold by Zayre Corporation:

Zayre had in the Seventies no stores in the United Kingdom
The applied (if any) CONCEPT labels had usually a better quality
The CONCEPT VI calculators on Zayre's advertisments look different


Dismantling this CONCEPT VI reveals no additional information and hides the true manufacturer of the calculator. 

Fellow collectors - if you know more about this MYSTERY CONCEPT VI calculator, please drop us a line.


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If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, May 17, 2011. No reprints without written permission.