DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This Radio Shack EC-497 was manufactured
in June 1979 by |
The flexible printed circuit board (PCB) of the Radio Shack EC-497. |
The TO0321 single-chip calculator circuit known from the TI-50. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, May 29, 2016. No reprints without written permission.