Vintage Electronic Calculators:

Overview of Brands


APF: III (3)
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AKA: Mark III, AKA (Label): MODEL MARK III, Product number (P/N): III,
Keywords/Tags: III | Mark III
Date of intro: ~1973, Origin: Japan (List), Dimensions: 130x80x40mm, Weight: 175g,
Adaptor: APF_adaptors: M3,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 19, #Key-Brown: 6, #Key-Beige: 11, #Key-Red: 2,
Miscellaneous switch: [(Blank)-OFF K-(Blank)],
Classification: / Pocket,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Certification: 628C(UL) (List All UL's),
Related with: APF_docu: (Instr.) III,
Components: 3 PCB(s),
Main Components: APF: PB3001,
Original Equipment Manufacturer : APF: III (3) (List of all Export-OEM-models from APF), Resemblance with: ARGYLE: Mark III; PASSPORT: III, (Resemblance 022),
Known Serial-numbers: 3188 | B16955 | B20310 (List of all S/Ns from APF)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),


Label, name plate / Examples of use / Bottom
S/N: B16955

Created: 25-nov-2006, Manual-update: 14-aug-2020, Batch-update: 21-mar-2023             

# Pageloads since 2018: 40             

2 Pic(s),


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