Vintage Calculator APF Mark 51 (1975)

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Published on ● Video Link: https://www.youtube.com/watch?v=POFPN6MqytM



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What you're seeing here is the scientific calculator "APF Mark 51", manufactured in the year 1975.

This calculator does not have the logarithm function, as far as I can see.

Please ignore the Kinemaster watermark on the top right. Thanks.