AKA (Label): LIQUID CRYSTAL CALCULATOR, Product number (P/N): 400,
Keywords/Tags: 400
Date of intro: 197?, Origin: Japan (List), Dimensions: 150x70x10mm, Weight: 85g,
Display: Type = Display (LCD yellow) (List),
Number of keys: 35, #Key-Black: 23, #Key-Red: 1, #Key-White: 11,
Miscellaneous switch: [OFF-ON-(Sigma)],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Known Serial-numbers: 058226 (List of all S/Ns from POLYTRON)
Collector value: 7/10,