DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This Royal DT 80 (Version 1) calculator was manufactured in October 1984 by Cal-Comp Electronics in Taiwan. | |
The printed circuit board
(PCB) of the Royal DT 80 (Version 1) calculator
is centered around a Sharp LI3135MS single-chip calculator circuit.
|
|
Close-up
view of the Sharp LI3135MS single-chip calculator
circuit.
|
Close-up view of the PCB-Mark
of an early DT-80. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, August 2, 2023. No reprints without written permission.