Just Cut Everything In Half! (30 pics) - Picture #26

Posted in Pictures       14 Mar 2019       6      


Mechanical calculator


As incredible as it sounds, the mechanical calculator with a sophisticated carry mechanism, was invented back in 1642 by Blaise Pascal. After producing fifty prototypes over the course of three years, he finally introduced it to the public. This machine could add and subtract two numbers directly and multiply and divide by repetition.

 



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