AKA: BATTERY-AC ELECTRONIC CALCULATOR, Product number (P/N): BATTERY-AC ELECTRONIC CALCULATOR,
Keywords/Tags: BATTERY-AC ELECTRONIC CALCULATOR
Date of intro: 1973, Origin: USA (List), Dimensions: 145x85x40mm, Weight: 200g,
Power: Rechargeable,
Display: Type = Display (LED) (List),
Keyboard: KLIXON, Number of keys: 18, #Key-Black: 17, #Key-Red: 1,
Keyboard Array (Rows x Columns): 04x05, Keyboard Layout: [D] [CE] [C] - [7] [8] [9] [-=] - [4] [5] [6] [(Division)] - [1] [2] [3] [x] - [0] [.] [+=],
Miscellaneous switch: [K-(Blank) ON-(Blank)],
Classification: / Pocket,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Resemblance with: (Resemblance 001), Made by: TEXAS INSTRUMENTS (List of all Import-OEM-models for LONGINES SYMPHONETTE),
Serie-members: LONGINES SYMPHONETTE: Battery-AC Electronic Calculator (version-1) (Black and Red Keys); LONGINES SYMPHONETTE: Battery-AC Electronic Calculator (version-2) (Black, White and Red Keys),
Known Serial-numbers: B4579 (B 4579) | B5188 (B 5188) (List of all S/Ns from LONGINES SYMPHONETTE)
Collector value: 8.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: DATAMATH CALCULATOR MUSEUM