DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The sales
box of the Radio Shack 65-504 Checkbook Calculator sold around 2000 in
the US. |
|
The Radio Shack 65-504
Checkbook Calculator in its
sleeve with holder for a checkbook and pen. |
|
This Radio Shack 65-504
Checkbook Calculator was
manufactured in October 2000 in China
(Date code 10A00 » mth 10 yr 2000).
|
|
The Radio Shack 65-504
Checkbook Calculator is powered by two LR43
batteries.
|
|
The printed circuit board
(PCB) of the Radio Shack 65-504 Checkbook Calculator is centered around an unknown single-chip calculator circuit hiding under a small epoxy blob. |
|
Close-up
view of the unknown single-chip calculator
circuit. |
Close-up view of the PCB-Mark of a 65-504. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, February 26, 2020. No reprints without written permission.