Vintage Electronic Calculators:

Overview of Brands


COMMODORE: 784D (version-3) commodore UK Beige
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AKA (Label): Solid State Portable Electronic Calculator, MODEL 784D, Part No. 200393, Product number (P/N): 200393,
Keywords/Tags: 200393 | 784D
Date of intro: 1975, Origin: United Kingdom (List), Dimensions: 137x65x25mm, Weight: 84g,
Power: 9V + Adaptor, Adaptor: COMMODORE_adaptors: 505; COMMODORE_adaptors: DC620R,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 17, #Key-Blue: 5, #Key-Red: 1, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x04,
Classification: / Pocket,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: COMMODORE: RBP01B,
Serie-members: COMMODORE: 784D (version-1) cbm UK Black; COMMODORE: 784D (version-2) cbm UK Beige; COMMODORE: 784D (version-3) commodore UK Beige; COMMODORE: 784D (version-4) commodore USA Beige,
Known Serial-numbers: 25753 | 42100 | 43961 (List of all S/Ns from COMMODORE)
Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),


Bedienung, Instruction

Label, name plate
S/N: 25753

Label, name plate
S/N: 42100

Label, name plate
S/N: 43961

Created: 08-nov-2008, Manual-update: 26-feb-2023, Batch-update: 03-oct-2023             

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5 Pic(s),


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