AKA (Label): ELECTRONIC CALCULATOR, Product number (P/N): 81,
Keywords/Tags: 81
Date of intro: 1979, Dimensions: 117x74x20mm,
Power: 1.5V: (AA x1),
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 23, #Key-Black: 10, #Key-Red: 2, #Key-White: 11,
Keyboard Array (Rows x Columns): 06x04, Keyboard Layout: [%] [(SquareRoot)] [C] - [M+] [M-] [RM] [CM] - [7] [8] [9] [(Division)] - [4] [5] [6] [x] - [1] [2] [3] [-] - [0] [.] [=] [+],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Related with: SILVER-REED_parts: (Box) 81,
Resemblance with: INTERCORD: SR810 (version-1); INTERCORD: SR810 (version-2), (Resemblance 005B),
Serie-members: SILVER-REED: 81 (version-1) ([C]); SILVER-REED: 81 (version-2) ([C/CE]); SILVER-REED: 81 (version-3) ('Union M'-label),
Collector value: 7/10,