DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This TI Business Card calculator was manufactured
end of 1979 by Texas Instruments in El Salvador. |
The LC-Display of the Business Card calculator supports scientific notation. |
The printed circuit board (PCB)
of the Business Card calculator is centered around a TP0325 single-chip calculator circuit. |
Close-up view of the TP0325 calculator chip. |
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© Joerg Woerner, December 6, 2019. No reprints without written permission.