Pi Day … and related links

That’s `pi’ — not `pie’!

The Greek letter π, sixteenth or so in the Greek alphabet. Mathematical value is (for the first 100 digits):

3.14159 26535 89793 23846 26433 83279 50288 41971 69399 37510 58209 74944 59230 78164 06286 20899 86280 34825 34211 70679 ….

Take `3.14159′ and apply that to the calendar …

  • 3 = March
  • .14 = the 14th
  • 159 = 1:59 in the afternoon

So, Pi Day is March 14, and at 1:59 you can start … well … reciting Pi!
There’s a marvelous video by Katie Cooper about Pi Day activities at the University of Waterloo:


And then there’s this great song, using the melody from Don McLean’s `American Pie’.

This version’s got graphics:


and this one’s got the singer’s preamble and the lyrics on-screen (with typos):


And with any of these, once you start, YouTube keeps on feeding in more links, so have fun and find your own favourites!

Some of mine are:

To help memorise Pi, here’s a chart I made, with the decimals in groups of 5:   pi-stuff .

Have fun — and pay attention when the next Pi Day rolls around!

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