Talk:Square pyramidal number: Difference between revisions

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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 Archimede's theorem on the area of ​​parabolic segment. The entire proof, carried out without the use of "mathematical analysis", is on the site "Leggendo Archimede" on page 02, at the following web address:
::https://sites.google.com/site/leggendoarchimede/
[[File:ARCH01.gif|thumb|Quadrature of the parabola]]