DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The Main printed circuit board
(PCB) of an Unitrex 1200K (Type 47) calculator manufactured in
November 1973 with its (mirrored) backside. |
The
Keyboard
Module of an Unitrex 1200K (Type 47) calculator manufactured in
November 1973 with its (mirrored) backside. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, April 11, 2026. No reprints without written permission.