Vintage Electronic Calculators:

Overview of Brands


J.C.PENNEY: 3140
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AKA (Label): 10 Digit Rechargebale Electronic Calculator, Lot No. 3140, Product number (P/N): 3140,
Keywords/Tags: 3140
Date of intro: 1974, Origin: USA (List), Dimensions: 150x80x32mm, Weight: 140g,
Power: Rechargeable,
Display: Type = Display (LED) (List),
Number of keys: 26, #Key-Blue: 5, #Key-Grey: 3, #Key-Red: 7, #Key-White: 11,
Miscellaneous switch: [(ArrowLeft)-ON (ArrowRight)-(Sigma)],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Components: 2 PCB(s),
Main Components: COMMODORE: 300979,
Original Equipment Manufacturer : COMMODORE: 4109, Made by: COMMODORE (List of all Import-OEM-models for J.C.PENNEY),
Known Serial-numbers: 41092491 | 41092791 (List of all S/Ns from J.C.PENNEY)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),


Label, name plate / Examples of use / Bottom
S/N: 41092491

Created: 17-sep-2011, Manual-update: 16-aug-2020, Batch-update: 25-feb-2024             

# Pageloads since 2018: 17             

2 Pic(s),


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