Vintage Electronic Calculators:

Overview of Brands


MBO: EC8413
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AKA: MICRO ALGEBRA, EC-8413, AKA (Label): MODEL 8413, Product number (P/N): EC8413 (EC-8413),
Keywords/Tags: EC8413 (EC-8413) | MICRO ALGEBRA
Date of intro: 1973, Origin: Japan (List), Hong Kong (List), Dimensions: 160x90x40mm,
Power: 6V: (AA x4) + Adaptor,
Display: Type = Display (VFD tube) (List), Digits = 8,
Number of keys: 20, #Key-Black: 18, #Key-Red: 2,
Keyboard Array (Rows x Columns): 04x05, Keyboard Layout: [7] [8] [9] [CE] [C] - [4] [5] [6] [x] [(SquareRoot)x] - [1] [2] [3] [x] [(Division)] - [0] [+/-] [.] [+=] [-=],
Miscellaneous switch: [(ArrowRight)-K ON-(ArrowLeft)],
Classification: / Desktop with Display,
Featuring: Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Original Equipment Manufacturer : KINGS POINT: 8413 (version-2), Resemblance with: REALTONE: EC8413; SOUNDESIGN: 8400, Made by: KINGS POINT (List of all Import-OEM-models for MBO),
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),


Created: 03-aug-2012, Manual-update: 06-may-2018, Batch-update: 04-dec-2022             

# Pageloads since 2018: 18             

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