Vintage Electronic Calculators:

Overview of Brands


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AKA: COMPET CS-2109A, Product number (P/N): CS2109A (CS-2109A),
Keywords/Tags: CS2109A (CS-2109A) | 2109A | COMPET
Date of intro: ~1977, Origin: Japan (List), Dimensions: 230x215x100mm, Weight: 980g,
Power: AC,
Display: Type = Display (VFD) (List), Digits = 12+2,
Number of keys: 29, #Key-Black: 22, #Key-Blue: 4, #Key-Red: 1, #Key-White: 2,
Keyboard Array (Rows x Columns): 05x07, Keyboard Layout: [+(Minus)(DoubleArrowSwap)] [MU] - [CT] [7] [8] [9] [(ArrowUp)(ArrowDown)] [%] [CM] - [(ArrowRight)] [4] [5] [6] [-=] [(SquareRoot)] [RM] - [CE] [1] [2] [3] [+=] [(Division)] [M-] - [C] [0] [00] [.] [x] [M+],
Decimal switch: [F-6-3-2-1-0-A], Round switch: [(ArrowUp)-5/4-(ArrowDown)], Miscellaneous switch: [K-(Blank) (Sigma)-(Blank)],
Classification: / Desktop with Display,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: SHARP: F1452CCB,
Serie-members: SHARP: CS1109 (10-Digit, No batteries, other CalcChip); SHARP: CS1109A (10-Digit, No batteries, other CalcChip); SHARP: CS1109D (version-1) (10-Digit, Batteries, Black); SHARP: CS1109D (version-2) (10-Digit, Batteries, Beige); SHARP: CS2109 (12-Digit, No batteries); SHARP: CS2109A (12-Digit, No batteries); SHARP: CS2109B (12-Digit, Batteries); SHARP: CS2109D (version-1) (12-Digit, Batteries, Black); SHARP: CS2109D (version-2) (12-Digit, Batteries, Beige),
Known Serial-numbers: 95024407 (List of all S/Ns from SHARP)
Collector value: 7/10,
Internet: Link-1: RECHENKASTEN, Link-2: SCHLEPPTOPS Rechnerwiki


Label, name plate
S/N: 95024407
(Courtesy of: SIGG Markus)

Created: 17-aug-2003, Manual-update: 11-jul-2021, Batch-update: 26-feb-2024             

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2 Pic(s),


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