Vintage Electronic Calculators:

Overview of Brands


SHARP: CS1109D (version-1)
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AKA: COMPET CS-1109D, Product number (P/N): CS1109D (CS-1109D),
Keywords/Tags: CS1109D (CS-1109D) | 1109D | COMPET
Date of intro: 1978, Origin: Japan (List),
Power: AC,
Display: Type = Display (VFD) (List), Digits = 10+2,
Number of keys: 27, #Key-Black: 22, #Key-Blue: 4, #Key-Red: 1,
Keyboard Array (Rows x Columns): 04x07, Keyboard Layout: [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-3-2-0-A], Round switch: [(ArrowUp)-5/4-(ArrowDown)], Miscellaneous switch: [K-(Blank) (Sigma)-(Blank) OFF-ON],
Classification: / Desktop with Display,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
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: 858 (List of all S/Ns from SHARP)
Collector value: 7/10,
Internet: Link-1: SCHLEPPTOPS Rechnerwiki



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S/N: 858

Label, name plate
S/N: 858

Created: 29-aug-2007, Manual-update: 11-jul-2021, Batch-update: 26-feb-2024             

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