Vintage Electronic Calculators:

Overview of Brands


APF: 1 (version-3)
(Page 1/1)

AKA: Mark 1, Product number (P/N): 1,
Keywords/Tags: 1 | Mark 1
Date of intro: ~1973, Origin: Hong Kong (List),
Power: AC,
Number of keys: 18, #Key-Blue: 2, #Key-Red: 2, #Key-White: 14,
Keyboard Array (Rows x Columns): 04x05,
Decimal switch: [5-4-3-2-F], Miscellaneous switch: [K-(ArrowUp)],
Classification: / Desktop with Display,
Resemblance with: (Resemblance 506),
Serie-members: APF: 1 (version-1) (With LED on display); APF: 1 (version-2) (No Flat Keys); APF: 1 (version-3) (Flat Keys),
Known Serial-numbers: 2H3364 (2H 3364) (List of all S/Ns from APF)
Collector value: 7.5/10,


Created: 09-feb-2020, Manual-update: 30-jan-2023, Batch-update: 31-jan-2023             

# Pageloads since 09-feb-2020 : 39             

1 Pic(s),


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