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National Pi Day

(credit: CBS)

LA Celebrates National Pi Day

Math and baking converged into a delicious equation in Los Angeles Friday.

CBS2 / KCAL9–03/14/2014

(credit: CBS)

Celebrate National Pi Day With Some Actual Pie

What better way to celebrate National Pi Day than with pie!

03/14/2014

(credit: AP)

March 14 Marks National Pi Day

Today is National Pi (∏) Day.

03/14/2011

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