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APF Mark 40 Electronic Calculator

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    Posted 10 years ago

    Caleb20
    (55 items)

    I found this really cool vintage calculator at one of my local shops i stop in often with box and manual. Still works great.

    Here is some info about it:

    Manufacturer: apf

    Model: Mark 40

    Year: 1975

    Form: Pocket

    Functions: Basic four, constant, %

    Number of Digits: 8

    Display Type: LED

    Logic Technology: LSI

    IC Complement: Mostek MK50282 N | Toshiba T1347

    Batteries: 9V

    Power Connector:9 VDC, + tip, sub-mini audio

    Source: http://www.cs.ubc.ca/~hilpert/eec/calcs/apf40.html

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