Vintage Electronic Calculators:

Overview of Brands


LLOYDS: E311 (version-1)
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AKA: ACCUMATIC 311, (Series 255A), AKA (Label): MODEL E311, Product number (P/N): E311,
Keywords/Tags: E311 | ACCUMATIC | 311
Date of intro: 1976, Origin: Japan (List), Dimensions: 140x89x30mm,
Power: 6V: (AA x4) + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 25, #Key-Grey: 12, #Key-Orange: 2, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x05,
Miscellaneous switch: [POWER_(Blank)-(Blank)],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Related with: LLOYDS_docu: (Instr.) E311,
Main Components: ROCKWELL: A5901CA,
Resemblance with: (Resemblance 007_05_05_25),
Serie-members: LLOYDS: E311 (version-1) (25 Keys, LLOYDS); LLOYDS: E311 (version-2) (27 Keys, LLOYDS); LLOYDS: E311 (version-3) (27 Keys, LLOYTRON),
Known Serial-numbers: 6B100784 (6B-100784), SERIES 255A | 6B115496 (6B-115496), SERIES 255A | 6B121556 (6B-121556), SERIES 255A | 6B123317 (6B-123317), SERIES 255A | 6D174960 (6D-174960), SERIES 255A | 6D179997 (6D-179997), SERIES 255A (List of all S/Ns from LLOYDS)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),


Label, name plate / Examples of use / Bottom
S/N: 6B115496 (6B-115496), SERIES 255A

Protection (pouche)

Created: 20-dec-1998, Manual-update: 08-sep-2021, Batch-update: 25-feb-2024             

# Pageloads since 2018: 63             

3 Pic(s),


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