AKA: 1081 ESR-E, AKA (Label): 1081ESR-E, Elektronik-Rechner, Bestell-Nr. 427.701 8, Product number (P/N): 4277018 (427.701 8),
Keywords/Tags: 4277018 (427.701 8) | 1081ESRE (1081 ESR-E)
Date of intro: ~1975, Dimensions: 148x72x18mm, Weight: 125g,
Power: 3V: (AA x2) + Adaptor, Adaptor: PRIVILEG_adaptors: 7124001,
Display: Type = Display (LED) (List), Brand = NATIONAL SEMICONDUCTOR, Digits = 11+2,
Number of keys: 35, #Key-Blue: 23, #Key-Red: 1, #Key-White: 11,
Keyboard Array (Rows x Columns): 07x05, Keyboard Layout: [ln] [log] [1/x] [(SquareRoot)x] [y(Power)x] - [INV] [hyp] [sin] [cos] [tan] - [EE] [(Pi)] [x-y] [+/-] [x-M] - [7] [8] [9] [(Division)] [CM] - [4] [5] [6] [x] [RM] - [1] [2] [3] [-] [M+] - [C] [0] [.] [+] [=],
Miscellaneous switch: [(Blank)-ON D-R-G],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Main Components: ROCKWELL: A4800PC,
Other components: NATIONAL SEMICONDUCTOR: DM75494N {2x},
Resemblance with: DECIMO: 2001e, (Resemblance 074),
Known Serial-numbers: 14397 | 37956 | 49080 | 49256 | 78626 (List of all S/Ns from PRIVILEG)
Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: MY CALCULATORS DATABASE, Link-2: VIRTUAL MUSEUM OF CALCULATORS