Product number (P/N): 650,
Keywords/Tags: 650
Date of intro: 1971, Dimensions: 305x298x95mm,
Power: AC,
Display: Type = Display (Nixie) (List), Brand = HITACHI: CD81, Digits = 16,
Keyboard: Reed-switch, Number of keys: 29,
Classification: / Desktop with Display,
Featuring: Square root, Logic-technology: LSI (Large Scale Integration), calculator-chipset, Memories: 2,
Related with: MONROE_docu: (Broch.) *: 16 gute Gründe warum...; MONROE_docu: (Instr.) *: 640,650; MONROE_docu: 1595S (Instr.) 650,
Components: 118 Diode(s), 59 Transistor(s), 7 IC(s),
Main Components: CANON: X61883903; CANON: X61894401; CANON: X61884803,
Original Equipment Manufacturer : CANON: L163, Made by: CANON (List of all Import-OEM-models for MONROE),
Serie-members: MONROE: 640; MONROE: 650,
Known Serial-numbers: 840435 (List of all S/Ns from MONROE)
Initial Cost Price: USD665.00, Collector value: 9/10,
Internet: Link-1: EARLY ELECTRONIC CALCULATOR TECHNOLOGY REFERENCE, Link-2: THE OLD CALCULATOR MUSEUM