AKA (Label): TEALTRONIC, Product number (P/N): 4517,
Keywords/Tags: 4517
Date of intro: ~1975,
Display: Type = Display (VFD) (List),
Number of keys: 20, #Key-Black: 7, #Key-Red: 2, #Key-White: 11,
Keyboard Array (Rows x Columns): 04x08, Keyboard Layout: [7] [8] [9] [(Division)] - [4] [5] [6] [x] - [1] [2] [3] [-] - [C] [CE] [(SquareRoot)] [%] [0] [.] [=] [+],
Miscellaneous switch: [ON-OFF],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Resemblance with: (Resemblance 048_4_8_20),
Known Serial-numbers: 000426 (List of all S/Ns from TOKYO ELECTRONIC APPLICATION LAB (TEAL))
Collector value: 7/10,