AKA (Label): electronic calculator, Product number (P/N): 821D,
Keywords/Tags: 821D
Date of intro: ~1975, Origin: Korea (List),
Adaptor: RANDS_adaptors: DC420,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 20, #Key-Blue: 7, #Key-Red: 2, #Key-White: 11,
Miscellaneous switch: [OFF-ON],
Classification: / Pocket,
Featuring: Procent, Square root,
Resemblance with: (Resemblance 011),
Collector value: 6.5/10,
Internet: Link-1: Robert LACOSTE