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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| Close-up view
of the FR1001 single-chip calculator circuit used with the Unitrex 1200K (Type
47) manufactured in November 1973. PMOS Technology, 28-pin DIP 1-bit serial Register Processor, Hard-wired Instructions. Manufactured October-November 1973. |
| Die Photo of the
FR1001 courtesy of Richard Kaussler. |
If you have additions to the above article please email: joerg@datamath.org.
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