Product number (P/N): 4520,
Keywords/Tags: 4520
Date of intro: 1975, Origin: Japan (List),
Power: 3V: (AA x2),
Display: Type = Display (VFD) (List),
Number of keys: 26, #Key-Black: 10, #Key-Blue: 2, #Key-Orange: 1, #Key-Red: 2, #Key-White: 11,
Keyboard Array (Rows x Columns): 07x04,
Miscellaneous switch: [R(ArrowUp)-(ArrowDown)D ON(ArrowUp)-Blank],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Memories: 1,
Known Serial-numbers: 5304065 | 5305167 (List of all S/Ns from CRAIG)
Collector value: 7.5/10,