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pi day
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Pi Day mates math with pizza, dessert
Math lovers and pizza enthusiasts can unite today.
What is Pi Day and why do we celebrate the holiday?
Indiana once tried to define pi as 3.2; the bill almost passed
Happy 3.14! Delicious Pi Day discounts and freebies
More Stories
What is Pi Day and why do we celebrate the holiday?
Indiana once tried to define pi as 3.2; the bill almost passed
Happy 3.14! Delicious Pi Day discounts and freebies
More Videos
From CNN Newsource affiliates