AKA: Friden Calculator, SINGER, AKA (Label): ELECTRONIC CALCULATOR MODEL 2020, Product number (P/N): 2020,
Keywords/Tags: 2020 | SINGER
Date of intro: 197?, Origin: Japan (List),
Power: AC,
Display: Type = Display (VFD) (List), Digits = 12+1,
Number of keys: 26, #Key-Blue: 4, #Key-Orange: 3, #Key-White: 19,
Keyboard Array (Rows x Columns): 04x08,
Classification: / Desktop with Display,
Featuring: Procent, Programmable,
Certification: 603K(UL) (List All UL's),
Collector value: 7/10,