Product number (P/N): 400,
Keywords/Tags: 400
Date of intro: 1978, Origin: Hong Kong (List), Dimensions: 134x74x22mm, Weight: 84g,
Power: 9V + Adaptor,
Display: Type = Display (LED) (List), Brand = NATIONAL SEMICONDUCTOR: A1488, Digits = 8,
Number of keys: 25, #Key-Black: 25,
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Components: 1, 1 IC(s),
Main Components: TEXAS INSTRUMENTS: TMS0972NL,
Resemblance with: (Resemblance 003),
Known Serial-numbers: A537505 (List of all S/Ns from PRINZTRONIC)
Collector value: 7/10,
Courtesy of: DUDEK Emil,
Internet: Link-1: VINTAGE CALCULATORS WEB MUSEUM, Link-2: VINTAGE TECHNOLOGY