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RADIANT ENERGY SYSTEMS (RES): IX (version-1)
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AKA: MARK IX, AKA (Label): RES MARK IX, Product number (P/N): MARK IX,
Keywords/Tags: MARK IX | IX
Date of intro: ~1972,
Display: Type = Display (VFD tube) (List), Digits = 8+1,
Number of keys: 20, #Key-Black: 8, #Key-White: 12,
Keyboard Array (Rows x Columns): 04x05,
Classification: / Pocket,
Featuring: Logic-technology: LSI (Large Scale Integration), calculator-chipset,
Resemblance with: (Resemblance 030),
Serie-members: RADIANT ENERGY SYSTEMS (RES): IX (version-1) (Black and White Keys); RADIANT ENERGY SYSTEMS (RES): IX (version-2) (Blue and Orange Keys),
Known Serial-numbers: 030473 | 031917 | 3091697 | 3092576 (List of all S/Ns from RADIANT ENERGY SYSTEMS (RES))
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: VINTAGE CALCULATORS WEB MUSEUM

Item

Internals (display)
MARK IX

Label, name plate
S/N: 031917

Created: 27-sep-2008, Manual-update: 02-jan-2022, Batch-update: 26-feb-2024             

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