AKA: COLCA 61A, AKA (Label): IC CALCULATOR, Product number (P/N): 61A,
Keywords/Tags: 61A | COLCA
Date of intro: jan-1969,
Power: AC,
Display: Type = Display (Nixie) (List), Digits = 14+1,
Number of keys: 25, #Key-Black: 10, #Key-Blue: 2, #Key-Red: 2, #Key-White: 11,
Classification: / Desktop with Display,
Featuring: Square root, Logic-technology: SSI (Small Scale Integration),
Resemblance with: DENON: DEC61A4,
Initial Cost Price: 265000 JPY (€ 2.146,50), Collector value: 9/10,
Internet: Link-1: DENTAKU MUSEUM, Link-2: DENTAKU MUSEUM