AKA: SR 81, AKA (Label): MODELL SR81, Elektronischer Rechner, Product number (P/N): SR81 (SR 81),
Keywords/Tags: SR81 (SR 81)
Date of intro: ~1975, Dimensions: 155x85x37mm, Weight: 165g,
Power: 3V: (AA x2) + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 23, #Key-Blue: 8, #Key-Red: 4, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x05, Keyboard Layout: [%] [+/-] [(SquareRoot)] - [MRC] [7] [8] [9] [(Division)] - [M-=] [4] [5] [6] [x] - [M+=] [1] [2] [3] [-] - [C] [0] [.] [=] [+],
Miscellaneous switch: [ON-OFF],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Resemblance with: (Resemblance 070),
Serie-members: SILVER-REED: SR81 (version-1) (23 key-base embossed); SILVER-REED: SR81 (version-2) (25 key-base embossed),
Known Serial-numbers: 00007601 | 00007603 (List of all S/Ns from SILVER-REED)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),