Product number (P/N): 028444 (028/444),
Keywords/Tags: 028444 (028/444) | 2444R16 | SLIDE RULE
Date of intro: ~1975,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 28, #Key-Beige: 16, #Key-Red: 1, #Key-White: 11,
Miscellaneous switch: [(ArrowRight)-ON],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Related with: NECKERMANN_docu: (Cat.): Weltmarken zu kleinen Preisen...,
Main Components: ROCKWELL: A5501PB,
Resemblance with: (Resemblance 014),
Known Serial-numbers: 385539 (List of all S/Ns from QUALITRON)
Collector value: 7/10,