Happy Pi Day in the Year of the Dragon!
Earlier this year, we released a limited edition Pi Day design honoring the Year of the Dragon and Liu Hui's contribution to the calculation of Pi, which he undertook nearly eighteen hundred years ago.
And now it's Pi Day! Hooray!! We've created a set of four Pi-lentines that you can download, print, color, and give out to your fellow Pi Day revellers! What's a pi-lentine? It's like a valentine, except for Pi Day!
Sneak preview of what they look like!
Happy Pi Day!!!
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