Upasana Education Trust - ππππππππ ππ π ππππ ππππππππππ (ππ₯ππ’π¬π πππ¬πππ₯) HE was a French mathematician invented the first adding machine in 1642 #calculator # invented #generalknowledge #iq #gk #test #question #best ...
Who invented the mechanical calculator and when did they do it? Why are they not famous for this invention? - Quora
![Portrait of inventor Martin Wiberg and that of him constructed the calculator 1875 Stock Photo - Alamy Portrait of inventor Martin Wiberg and that of him constructed the calculator 1875 Stock Photo - Alamy](https://c8.alamy.com/comp/2F77HNW/portrait-of-inventor-martin-wiberg-and-that-of-him-constructed-the-calculator-1875-2F77HNW.jpg)
Portrait of inventor Martin Wiberg and that of him constructed the calculator 1875 Stock Photo - Alamy
![ENGRAVING AN OFFICER USING A PASCALINE, THE FIRST CALCULATOR MACHINE INVENTED BY PASCAL IN THE 17TH CENTURY - Album alb6365488 ENGRAVING AN OFFICER USING A PASCALINE, THE FIRST CALCULATOR MACHINE INVENTED BY PASCAL IN THE 17TH CENTURY - Album alb6365488](https://www.album-online.com/photos/prev/ZDhmNjZiMA/album_alb6365488.jpg)