DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The keyboard assembly of the
EC-1000 was manufactured by Texas Instruments.
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The printed circuit board (PCB) of the
EC-1000 uses similar components like the TI-3000 but looks totally different. Not a typical design a TI calculator. Please notice the magic number on the left side. |
The solder side of the PCB with the etched 13-04-709-718
number.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, February 26, 2003. No reprints without written permission.