Japanese theorem:
no matter how one triangulates a cyclic polygon, the sum of inradii of triangles is constant.

The Cistercian monks invented a numbering system in the 13th century which meant that any number from 1 to 9999 could be written using a single symbol.
#history

#latex basics

Surface area of sphere
#geometry #integrals

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#calculus
#catalannumbers
#circle
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#calculus #integration #byparts

#pascalstriangle #fibonacci

#geometry #angles #sin #cos

#angles #sin #cos

In order to keep this channel going in the same line we were working along this time, we are proud to announce that we launched a new math related channel here in Telegram just for #humor and fun purposes, so we are going to post some memes and jokes in @mememaths. Come and get fun with us.

Mobius transformation as rigid motion of the Riemann sphere #complex

Simpson's rule #integrals

Conformal mapping #complex