Vintage Electronic Calculators:

Overview of Brands


J.C.PENNEY: MM3R (version-2)
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AKA (Label): Electronic Calculator, MODEL MM3R, Product number (P/N): MM3R,
Keywords/Tags: MM3R
Date of intro: 1973, Dimensions: 102x76x30mm, Weight: 150g,
Power: Rechargeable,
Display: Type = Display (LED) (List),
Number of keys: 18, #Key-Beige: 4, #Key-Red: 2, #Key-White: 12,
Miscellaneous switch: [ON-(Blank) K-(Blank)],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Components: 3 PCB(s),
Main Components: COMMODORE: 300243,
Original Equipment Manufacturer : COMMODORE: MM3R (version-2), Made by: COMMODORE (List of all Import-OEM-models for J.C.PENNEY),
Serie-members: J.C.PENNEY: MM3R (version-1) (Oval Keys); J.C.PENNEY: MM3R (version-2) (Rectangular Keys),
Known Serial-numbers: 124727 | 130701 | 200125 (List of all S/Ns from J.C.PENNEY)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),


Label, name plate
S/N: 130701
(Courtesy of: BÖHM Frank)

Created: 26-oct-2008, Manual-update: 13-aug-2020, Batch-update: 25-feb-2024             

# Pageloads since 2018: 30             

2 Pic(s),


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