DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The Citizen SR-270X calculator in its package. | |
The dot matrix display of
the SR-270X in the "Math Format" mode. |
The dot matrix display of
the SR-270X in the "Linear Format" mode. |
This Citizen SR-270X was manufactured in 2009 by a Kinpo Electronics in China. | |
The printed
circuit board (PCB) of the Citizen SR-270X hides the
single-chip calculator circuit under a black epoxy blob. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, March 6, 2011. No reprints without written permission.