DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This Unitrex 1200K
(Type 47) was manufactured
in November 1973 in Japan. |
The Unitrex 1200K (Type
47) with its housing opened. |
| The Main-PCB of the
Unitrex 1200K (Type 47) is centered around a Frontier FR1001 single-chip calculator circuit.  |
Close-up view of the
Frontier FR1001 single-chip calculator circuit. |
Close-up view of one of
the Transistor Arrays. |
Close-up view of
the Kyodo KB-5317 Clock Generator Module. |
Close-up view of the
uPD128C JMOS Chip. |
| Close-up view of the
unknown Panaplex-style Display module from an Unitrex 1200K (Type 47) calculator manufactured in November 1973.   |
| Close-up view of the
Keyboard module from an Unitrex 1200K (Type 47) calculator manufactured in November 1973.   |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, April 11, 2026. No reprints without written permission.