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== Quadrature of the Parabola with the "square pyramidal number" (new proof) ==
I found that the "square pyramidal number" can be used to prove the Archimedes' theorem on the area of parabolic segment. The entire proof, carried out without the use of "mathematical analysis", one can read at the following web adress:
https://sites.google.com/site/leggendoarchimede/12---quadratura
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<sup>n→∞ </sup><sup>1</sup>
:::Can anyone tell me if it's new? --[[User:Ancora Luciano|Ancora Luciano]] ([[User talk:Ancora Luciano|talk]]) 07:41, 26 May 2013 (UTC)
::::[[File:Untitled-1A.gif|thumb|Quadrature_Part_One]] <small><span class="autosigned">— Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[User:Ancora Luciano|Ancora Luciano]] ([[User talk:Ancora Luciano|talk]] • [[Special:Contributions/Ancora Luciano|contribs]]) 19:12, 16 July 2013 (UTC)</span></small><!-- Template:Unsigned --> <!--Autosigned by SineBot-->[[File:Untitled-1B.gif|thumb|Quadrature_Part_Two]] <small><span class="autosigned">— Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[User:Ancora Luciano|Ancora Luciano]] ([[User talk:Ancora Luciano|talk]] • [[Special:Contributions/Ancora Luciano|contribs]]) 19:17, 16 July 2013 (UTC)</span></small><!-- Template:Unsigned --> <!--Autosigned by SineBot-->[[File:Untitled-1C.gif|thumb|Quadrature_Part_Three]] <small><span class="autosigned">— Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[User:Ancora Luciano|Ancora Luciano]] ([[User talk:Ancora Luciano|talk]] • [[Special:Contributions/Ancora Luciano|contribs]]) 19:29, 16 July 2013 (UTC)</span></small><!-- Template:Unsigned --> <!--Autosigned by SineBot-->
▲[[File:Figuraxy.jpg|thumb|Quadrature of the Parabola]]
== Sum of the first ''n'' squares (geometrical proof) ==
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