AKA: D-840, Product number (P/N): D840 (D-840),
Keywords/Tags: D840 (D-840)
Date of intro: ~1973,
Display: Type = Display (LED) (List),
Number of keys: 20,
Classification: / Pocket,
Featuring: Procent, Square root,
Resemblance with: ELECTRONICA QUEROL: F84,
Collector value: 8/10,

!!! This item is WANTED to join the collection !!!