AKA: 850, AC-DC, AKA (Label): ELECTRONIC CALCULATOR, MODEL JE-850U, Product number (P/N): JE850U (JE-850U),
Keywords/Tags: JE850U (JE-850U) | 850U | ACDC (AC-DC)
Date of intro: 1973, Origin: Japan (List), Dimensions: 165x98x45mm,
Power: Rechargeable, Adaptor: PANASONIC_adaptors: JL022,
Display: Type = Display (VFD tube) (List), Digits = 8+1,
Number of keys: 18, #Key-Blue: 7, #Key-Grey: 11,
Keyboard Array (Rows x Columns): 04x05, Keyboard Layout: [7] [8] [9] [(Division)] - [4] [5] [6] [x] [C] - [1] [2] [3] [-] [CE] - [0] [.] [+] [=],
Classification: / Pocket / HandHeld: First generation,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: (Docu_Articles): 197302: Electronic Calculators, how to choose the right...,
Components: 91 ... 13 Capacitor(s), 11 Diode(s), 23 Resistor(s), 37 Transistor(s), 1 IC(s),
Main Components: TEXAS INSTRUMENTS: TMS0115NC,
Other components: TDK: CT850,
Resemblance with: (Resemblance 040),
Serie-members: PANASONIC: JE850 (Domestic version); PANASONIC: JE850U (Export version),
Known Serial-numbers: 2Y00511 | 3100174 | 3100384 | 3200079 | 3402178 (List of all S/Ns from PANASONIC)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: THE OLD CALCULATOR MUSEUM, Link-2: VINTAGE TECHNOLOGY