<a href="https://en.wikipedia.org/wiki/Herman_Hollerith" id="mwoA" rel="mw:WikiLink" title="Herman Hollerith">Herman Hollerith</a> is issued US <a href="https://en.wikipedia.org/wiki/Patent" id="mwoQ" rel="mw:WikiLink" title="Patent">patent</a> #395,791 for the 'Art of Applying Statistics' — his <a href="https://en.wikipedia.org/wiki/Punched_card" id="mwog" rel="mw:WikiLink" title="Punched card">punched card</a> calculator.<sup about="#mwt100" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-18"}}' id="cite_ref-18" rel="dc:references" typeof="mw:Extension/ref"><a href="./January_8#cite_note-18" id="mwow" style="counter-reset: mw-Ref 18;"><span class="mw-reflink-text" id="mwpA">[18]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-18"><cite about="#mwt97" class="citation book cs1" id="CITEREFDorf1997"><a href="./Richard_C._Dorf" id="mwCSU" rel="mw:WikiLink" title="Richard C. Dorf">Dorf, Richard C.</a> (26 September 1997). <a class="external text" href="https://books.google.com/books?id=qP7HvuakLgEC&amp;pg=PA2092" id="mwCSY" rel="mw:ExtLink nofollow"><i id="mwCSc">The Electrical Engineering Handbook,Second Edition</i></a>. CRC Press. p.<span id="mwCSg" typeof="mw:Entity"> </span>2092. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwCSk" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwCSo" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-1-4200-4976-3" id="mwCSs" rel="mw:WikiLink" title="Special:BookSources/978-1-4200-4976-3"><bdi id="mwCSw">978-1-4200-4976-3</bdi></a>.</cite><span about="#mwt97" class="Z3988" id="mwCS0" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Electrical+Engineering+Handbook%2CSecond+Edition&amp;rft.pages=2092&amp;rft.pub=CRC+Press&amp;rft.date=1997-09-26&amp;rft.isbn=978-1-4200-4976-3&amp;rft.aulast=Dorf&amp;rft.aufirst=Richard+C.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DqP7HvuakLgEC%26pg%3DPA2092&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+8"></span></span>