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SERD: 21PDN
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AKA: 21 PD-N, Product number (P/N): 21PDN (21 PD-N),
Keywords/Tags: 21PDN (21 PD-N)
Origin: Japan (List),
Number of keys: 27, #Key-Blue: 4, #Key-Grey: 11, #Key-Orange: 1, #Key-White: 11,
Keyboard Array (Rows x Columns): 06x05, Keyboard Layout: [RM] [M-=] [M+=] [CM] - [(Division)] [x] [T] - [(ArrowUp1)] [7] [8] [9] [S] - [#] [4] [5] [6] [-] - [C] [1] [2] [3] [+] - [CE] [0] [.] [%] [+],
Round switch: [5/4-(Blank)], Miscellaneous switch: [(Blank)-ON IT-(Blank) P-(Blank)],
Classification: / Desktop with Display+Printer,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Resemblance with: ELEKTRONIKA: MK40,
Known Serial-numbers: 812282 (List of all S/Ns from SERD)
Collector value: 6/10,
Courtesy of: LENNARTZ F. J.,

Item

Label, name plate / Bottom
S/N: 812282

Created: 31-jul-2008, Manual-update: 24-jun-2021, Batch-update: 26-feb-2024             

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