Product number (P/N): 121M,
Keywords/Tags: 121M
Date of intro: ~1975, Origin: Japan (List),
Power: AC,
Display: Type = Display (VFD) (List), Digits = 12+1,
Number of keys: 25, #Key-Black: 16, #Key-Blue: 8, #Key-Red: 1,
Keyboard Array (Rows x Columns): 04x07,
Decimal switch: [6-4-2-0-F], Round switch: [(ArrowUp)-5/4-(ArrowDown)], Miscellaneous switch: [K-(Blank)],
Classification: / Desktop with Display,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: SILVER-REED_docu: (Instr.) 121M,
Main Components: TOKYO ELECTRONIC APPLICATION LAB (TEAL): 7601A; or; TOKYO ELECTRONIC APPLICATION LAB (TEAL): 7604A,
Original Equipment Manufacturer : TOKYO ELECTRONIC APPLICATION LAB (TEAL): 6121D, Resemblance with: (Resemblance 510B), Made by: TEAL (List of all Import-OEM-models for SILVER-REED),
Collector value: 7/10,
Internet: Link-1: SCHLEPPTOPS Rechnerwiki