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CYBERNETICS SYSTEMS: CPD35 (version-1)
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AKA (Label): the mathiputer learning system, Product number (P/N): CPD35 (CPD-35),
Keywords/Tags: CPD35 (CPD-35) | Mathiputer
Date of intro: 1975, Origin: USA (List),
Display: Type = Display (LED: segmented block) (List), Digits = 5,
Number of keys: 12, #Key-Black: 10, #Key-Red: 1, #Key-White: 1,
Keyboard Array (Rows x Columns): 05x03,
Miscellaneous switch: [RANGE_0-3,4-6,7-9,0-9 MODE_+ADD,-SUB,xMULT,(Division) ASSIGNMENT_10-25-50-100],
Classification: / Desktop with Display / Social+Behavorial (education),
Featuring: Logic-technology: LSI (Large Scale Integration), calculator-chipset,
Main Components: FAIRCHILD: 3805DC; FAIRCHILD: 3807DC; FAIRCHILD: 3809DC; FAIRCHILD: 3811DC; FAIRCHILD: SL30342; FAIRCHILD: SL30745,
Serie-members: CYBERNETICS SYSTEMS: CPD35 (version-1) (Blue); CYBERNETICS SYSTEMS: CPD35 (version-2) (Orange),
Known Serial-numbers: 006496 (List of all S/Ns from CYBERNETICS SYSTEMS)
Collector value: 8.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1, Link-2: DATAMATH CALCULATOR MUSEUM

Item

Display

Display

Internals (PCB)
CPD35749C (CPD-35-749C)

Internals (PCB)
CPD35749C (CPD-35-749C)

Assembly+Disassembly

Label, name plate
S/N: 006496

Created: 22-oct-2013, Manual-update: 27-jun-2026             

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