Vintage Electronic Calculators:

Overview of Brands


APF: 66R
(Page 1/1)

AKA: MARK 66r, AKA (Label): MODEL NO: MARK 66r, Product number (P/N): 66R,
Keywords/Tags: 66R | MARK 66r
Date of intro: ~1975, Origin: Japan (List), Hong Kong (List),
Power: Rechargeable, Adaptor: APF_adaptors: 751S,
Display: Type = Display (VFD) (List),
Number of keys: 29, #Key-Brown: 10, #Key-Beige: 8, #Key-White: 11,
Keyboard Array (Rows x Columns): 06x05,
Miscellaneous switch: [off-on],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Known Serial-numbers: A009182 (A-009182) | H66r054536 (H66r-054536) (List of all S/Ns from APF)
Collector value: 7/10,


Label, name plate
S/N: A009182 (A-009182)

Created: 29-jun-2012, Manual-update: 15-jun-2022, Batch-update: 23-mar-2023             

# Pageloads since 2018: 13             

2 Pic(s),


If you have a (better) personal picture and/or missing info about any model not listed: Please do send a Mail