Product number (P/N): PC4020,
Keywords/Tags: PC4020
Date of intro: ~1975,
Power: 9V + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 28, #Key-Black: 11, #Key-Blue: 15, #Key-Red: 2,
Keyboard Array (Rows x Columns): 06x05,
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: (Unknown manufacturer): CA2811-03,
Serie-members: INTERTON ELECTRONIC: PC4020 (version-1) (Black); INTERTON ELECTRONIC: PC4020 (version-2) (Rectangular Keys); INTERTON ELECTRONIC: PC4020 (version-3) (Oval Keys),
Collector value: 7/10,
Internet: Link-1: VIRTUAL MUSEUM OF CALCULATORS