AKA: Mini 7,
Date of intro: 1975, Origin: Hong Kong (List), Dimensions: 120x54x12mm, Weight: 60g,
Power: 6V: (AAA x4),
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 22, #Key-Grey: 22,
Keyboard Array (Rows x Columns): 06x04, Keyboard Layout: [RE] [(SquareRoot)] - [D] [%] [C] [CE] - [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,
Components: 6 ... 1 Capacitor(s), 2 Resistor(s), 2 IC(s),
Main Components: TEXAS INSTRUMENTS: TMS0807NL,
Other components: NATIONAL SEMICONDUCTOR: DS8855N,
Resemblance with: (Resemblance 047),
Serie-members: PRINZTRONIC: 7 (version-1) (Blue); PRINZTRONIC: 7 (version-2) (Beige),
Known Serial-numbers: 680212 (List of all S/Ns from PRINZTRONIC)
Collector value: 7.5/10,
Courtesy of: DUDEK Emil,
Internet: Link-1: VINTAGE TECHNOLOGY