AKA (Label): MODEL-1444, SLIDE RULE, Product number (P/N): 1444,
Keywords/Tags: 1444
Date of intro: ~1975, Origin: Taiwan (List), Dimensions: 140x76x32mm,
Power: 6V: (AA x4) + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 26, #Key-Beige: 13, #Key-Red: 1, #Key-White: 11, #Key-Yellow: 1,
Keyboard Array (Rows x Columns): 07x04, Keyboard Layout: [M-] [M+] [CM] - [(ArrowLeft)(ArrowRight)] [RM] [C] - [%] [1/x] [(SquareRoot)x] [x²] - [7] [8] [9] [-] - [4] [5] [6] [(Division)] - [1] [2] [3] [x] - [0] [.] [=] [+],
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: QUALITRON_docu: (Broch.) *: 1408,1419,1420,1421,1439,1444,1445,1448,
Resemblance with: (Resemblance 014),
Serie-members: QUALITRON: 1444 (version-1) (21 Keys); QUALITRON: 1444 (version-2) (26 Keys); QUALITRON: 1444 (version-3) (30 Keys, 1 Red); QUALITRON: 1444 (version-4) (30 Keys, 2 Red),
Known Serial-numbers: 167420 (List of all S/Ns from QUALITRON)
Collector value: 7/10,
Internet: Link-1: VINTAGE TECHNOLOGY