Mathematicians Of The Day

5th December

On this day in 1735, Leonard Euler presented a paper to the St Petersburg Academy giving his solution to the Basel problem: ζ(2)=1n2=π26\zeta(2) = \sum \large\frac 1 {n^{2}} \normalsize = \large\frac {\pi^2}{6}.

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Quotation of the day

From Louis Poinsot
Everyone makes for himself a clear idea of the motion of a point, that is to say, of the motion of a corpuscle which one supposes to be infinitely small, and which one reduces by thought in some way to a mathematical point.
Théorie nouvelle de la rotation des corps (1834)