Vintage Electronic Calculators:

Overview of Brands


APF: 61S
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AKA: MARK 61S, Executive, AKA (Label): EXECUTIVE, MODEL NO.: MARK 61S, Product number (P/N): 61S,
Keywords/Tags: 61S | MARK 61s | Executive
Date of intro: 1976, Origin: Japan (List),
Power: 3V: (R), Adaptor: APF_adaptors: 751S,
Display: Type = Display (VFD) (List), Digits = 8,
Number of keys: 24, #Key-Grey: 8, #Key-Orange: 5, #Key-White: 11,
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: APF_docu: 0406151 (Instr.) 61S,
Known Serial-numbers: A020166 | A029241 (List of all S/Ns from APF)
Collector value: 7/10,


Created: 21-may-2011, Manual-update: 15-aug-2022, Batch-update: 23-mar-2023             

# Pageloads since 2018: 11             

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