Merry Chris-maths!

Published on Thursday, December 24, 2009 in , ,

12 Days of Christmas TreeTwo years ago, just before Christmas, I examined the mathematics of The 12 Days of Christmas.

This year, singingbanana, whom you may remember from the 15 Puzzle Challenges post earlier this month, gives us a great new way to visualize triangular numbers in a very Christmasy fashion:

Of course, if you like your Christmas geekery taken to extremes, check out the Singing House of Sioux Falls, SD:

I wish you all a merry Christmas, and a happy new year!

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