What day is Pi Day?

Today is Tuesday, Pi day (3/14)! Pi day is a national holiday celebrating mathematics, pi, and yes sometimes some baked pie and Pi-zza…

As 3/14 is a Tuesday, so are April 4, May 9, June 6, July 4, August 8, September 5, October 31, November 7, and December 26th!

Last year Pi day was on a Monday, the year before, a Saturday. Back in 2000, Pi day was Tuesday… Check out the math trick that lets you find the day of the week for various dates throughout history!: Check out James Grime’s full explanation of the trick:

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The Tic-Tac-Toe Magic Square trick

In Mathematics Magic and Mystery by Martin Gardner, the author presents an interesting card trick to create a magic square (where all rows and columns add to the same number), using an interesting interactive game with a participant. After playing a game of tic-tac-toe, your friends will be surprised to see they set up the cards in a 3×3 grid summing the number on the cards to 15!

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Knime conference coming up

Next week the KNIME fall conference will be happening, Nov 14-16. For mathematicians or anyone wanting to look at some useful AI/Machine learning tools, this should be an informative conference! I’ve seen some previous sessions with interesting demos and overviews of new features they add to this open-source tool. Virtual passes are free to the live-streamed event! If it is like past online lessons, it is likely they will also be available later from their Youtube channel page.

Update: Check the videos here!