Vintage Electronic Calculators:

Overview of Brands


MBO: 833ND (version-2)
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AKA (Label): Elektronenrechner, Modell: 833ND, Bestell-Nr: 0505, Product number (P/N): 0505,
Keywords/Tags: 0505 | 833ND
Date of intro: 1975,
Power: 4.5V: (AA x3),
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 20, #Key-Blue: 7, #Key-Red: 2, #Key-White: 11,
Miscellaneous switch: [OFF-ON],
Classification: / Pocket,
Featuring: Procent, Square root,
Main Components: HITACHI: HD36290,
Serie-members: MBO: 833ND (version-1) (21 Keys, also Blue Keys); MBO: 833ND (version-2) (20 Keys); MBO: 833ND (version-3) (21 Keys, also Black Keys),
Known Serial-numbers: 5142010 (List of all S/Ns from MBO)
Collector value: 6.5/10,
Courtesy of: WENZEL Gerhard,


Created: 24-dec-2001, Manual-update: 02-jun-2019, Batch-update: 25-feb-2024             

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