DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| Complete Display and Keyboard
Scanning Cycle of the FR1001 from a Unitrex 1200K
(Type 47) manufactured in November 1973 displaying
"-104.679" and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. FR1001 Clock Frequency at 25 kHz.  |
| Close-up view of the
transition between Digit D3 displaying "6" and Digit D4 displaying "4" of the
FR1001 showing the Leading and Trailing Digit
Blanking Times.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, June 20, 2026. No reprints without written permission.
