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ROYAL: 81SN
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Product number (P/N): EC63 (EC 63),
Keywords/Tags: EC63 (EC 63) | 81SN (81 SN)
Date of intro: ~1976, Origin: Japan (List),
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 27, #Key-Black: 13, #Key-Blue: 3, #Key-White: 11,
Decimal switch: [F-2-3-OFF],
Classification: / Pocket,
Featuring: Procent, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: ROYAL_parts: (Box) 81SN,
Known Serial-numbers: 72185916 (List of all S/Ns from ROYAL)
Collector value: 7/10,

Item

Created: 26-apr-2020, Manual-update: 26-apr-2020, Batch-update: 14-aug-2022             

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