DATAMATH CALCULATOR MUSEUM
|This SR-56 was manufactured
in December 1976 by
Texas Instruments in Brazil (Date code CIB 5076 » wk 50 yr 1976).
|The printed circuit board
(PCB) of the TI-30 looks very familiar to us.
The single-chip calculator circuit sports a very uncommon JP0981 designation.
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© Joerg Woerner, November 11, 2009. No reprints without written permission.