Vintage Electronic Calculators:

Overview of Brands


BUSICOM: 100DA (version-2)
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AKA: exec 100-DA, AKA (Label): 100-DA, Product number (P/N): 100DA (100-DA),
Keywords/Tags: 100DA (100-DA) | exec
Date of intro: 1973, Origin: Japan (List), Dimensions: 241x169x68mm, Weight: 1100g,
Power: AC,
Display: Type = Display (Gas disharge) (List), Brand = MATSUSHITA: CD1201, Digits = 10+1,
Number of keys: 17, #Key-Blue: 6, #Key-White: 11,
Keyboard Array (Rows x Columns): 04x05, Keyboard Layout: [7] [8] [9] [x] - [4] [5] [6] [(Division)] - [CE] [1] [2] [3] [-=] - [C] [0] [.] [+=],
Decimal switch: [0-1-2-3-4-5-6-F], Round switch: [N(ArrowUp)-5/4-N(ArrowDown)], Miscellaneous switch: [K-N],
Classification: / Desktop with Display,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: BUSICOM_parts: (Box) 100DA,
Main Components: TEXAS INSTRUMENTS: TMS0106NC,
Original Equipment Manufacturer : BUSICOM: 100DA (List of all Export-OEM-models from BUSICOM), Resemblance with: INDUSTRIA MACCHINE ELETTRONICHE (IME): 400,
Serie-members: BUSICOM: 100DA (version-1) (Black); BUSICOM: 100DA (version-2) (Beige),
Known Serial-numbers: 40AB150276 (List of all S/Ns from BUSICOM)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),


Perspective, profile view



Internals (keyboard)


Label, name plate / Bottom
S/N: 40AB150276

Created: 07-feb-2020, Manual-update: 25-dec-2021, Batch-update: 25-feb-2024             

# Pageloads since 07-feb-2020 : 61             

7 Pic(s),


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