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AKA: TRIUMPH 81S, AKA (Label): Type EC 24, Product number (P/N): EC24 (EC 24),
Keywords/Tags: EC24 (EC 24) | 81S | TRIUMPH
Date of intro: ~1974, Dimensions: 120x75x20mm,
Power: 6V: (AAA x4),
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 22, #Key-Black: 8, #Key-Blue: 1, #Key-Orange: 1, #Key-Red: 1, #Key-White: 11,
Miscellaneous switch: [(Blank)-K],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Related with: TRIUMPH-ADLER_docu: 27866741006a (Cat.) 197406,
Serie-members: TRIUMPH-ADLER: 81S (version-1) (ADLER LED-display); TRIUMPH-ADLER: 81S (version-2) (ADLER VFD-display); TRIUMPH-ADLER: 81S (version-3) (TRIUMPH LED-display); TRIUMPH-ADLER: 81S (version-4) (TRIUMPH VFD-display 17 Keys); TRIUMPH-ADLER: 81S (version-5) (TRIUMPH VFD-display 27 Keys),
Known Serial-numbers: 68517017 (68.517.017) (List of all S/Ns from TRIUMPH-ADLER)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
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