AKA (Label): ELECTRONIC CALCULATOR, MODEL NO. CM20, Product number (P/N): CM20,
Keywords/Tags: CM20 | ELECTRONIC CALCULATOR
Date of intro: ~1973, Origin: USA (List),
Display: Type = Display (Gas disharge) (List), Digits = 8,
Number of keys: 20, #Key-White: 20,
Keyboard Array (Rows x Columns): 04x05,
Classification: / Desktop with Display,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Original Equipment Manufacturer : GARRETT COMTRONICS CORPORATION: CM20 (List of all Export-OEM-models from GARRETT COMTRONICS CORPORATION), Resemblance with: RCA: 4C1212,
Serie-members: GARRETT COMTRONICS CORPORATION: CM20 (version-1) (); GARRETT COMTRONICS CORPORATION: CM20 (version-2) (),
Known Serial-numbers: 000189 (List of all S/Ns from GARRETT COMTRONICS CORPORATION)
Collector value: 8.5/10,
Internet: Link-1