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Tag: TI

Texas Instruments Exactra 19
Exactra 19 / Texas Instruments

Texas Instruments Exactra 19

March 4, 2012July 12, 20201

This Exactra 19 was part of the Exactra series that was manufactured by Texas Instruments though you wouldn’t know it by looking at the front of the calculator. For some reasons, possibly marketing, TI decided to place their only identifying mark on the back cover in small lettering.  The Exactra …

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Texas Instruments Concept II
Concept II / Texas Instruments

Texas Instruments Concept II

December 15, 2011July 12, 20203

This is the TI Concept II calculator. It was sold by a discount department store called Zayre’s in the mid 70’s and is basically a re-badged TI-1250.  In fact, it’s exactly the same except for the colors on the faceplate.  It was introduced by Zayre in 1976 and retailed for …

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