Editing 1840s (section)

=== Computers ===
* [[1843]] – [[Ada Lovelace]] translates and expands [[Luigi Federico Menabrea|Menabrea]]'s notes on [[Charles Babbage]]'s [[analytical engine]], including an [[algorithm]] for calculating a sequence of [[Bernoulli numbers]], regarded as the world's first [[computer program]].<ref>{{cite journal|first1=John|last1=Fuegi|first2=Jo|last2=Francis|title=Lovelace & Babbage and the creation of the 1843 'notes'|journal=[[IEEE Annals of the History of Computing]]|volume=25|issue=4 |pages=16–26|doi=10.1109/MAHC.2003.1253887|date=October{{ndash}}December 2003}}</ref><ref>{{cite web|url=http://cs-www.cs.yale.edu/homes/tap/Files/ada-bio.html|title=Ada Byron, Lady Lovelace|access-date=2010-07-11| archive-url= https://web.archive.org/web/20100721013509/http://cs-www.cs.yale.edu/homes/tap/Files/ada-bio.html| archive-date= 21 July 2010 | url-status= live}}</ref><ref>{{cite journal|last=Menabrea|first=L. F.|author-link=Luigi Federico Menabrea|year=1843|title=Sketch of the Analytical Engine Invented by Charles Babbage|journal=[[Scientific Memoirs]]|volume=3|url=http://www.fourmilab.ch/babbage/sketch.html|access-date=2010-10-01| archive-url= https://web.archive.org/web/20100913042032/http://www.fourmilab.ch/babbage/sketch.html| archive-date= 13 September 2010 | url-status= live}}</ref>