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PRINZTRONIC: 7 (version-1)
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AKA: Mini 7, Product number (P/N): 7,
Keywords/Tags: 7 | Mini
Date of intro: 1975, Origin: Hong Kong (List), Dimensions: 120x54x17mm, Weight: 60g,
Power: 6V: (AAA x4),
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 22, #Key-Black: 10, #Key-Red: 1, #Key-White: 11,
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,
Related with: PRINZTRONIC_parts: (Box) 7 (version-1),
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: 463489 | 473856 | 670040 (List of all S/Ns from PRINZTRONIC)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: VINTAGE CALCULATORS WEB MUSEUM, Link-2: VINTAGE TECHNOLOGY

Item

Created: 01-jan-2014, Manual-update: 21-dec-2020, Batch-update: 14-aug-2022             

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