Instagramのインスタグラム(instagram) - 3月15日 01時02分

This Friday, math and pastry enthusiasts around the world celebrate Pi Day, the day when the date (3/14) matches the first three digits of the mathematical constant π (3.14). Even those with a passing interest in mathematics use today as an excuse to test their baking skills, indulge in the baking prowess of others and snap some photos and videos along the way.

Explore Pi Day creations from around the globe and share your own with the #piday, #pipie and #π hashtags.

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