You don’t need to be a mathematician to understand what Pi Day means to your pocketbook.
Pi is a Greek letter and also a symbol used in geometry for the ratio of the circumference of a circle to its diameter. The number 3.14159, which according to experts will “continue infinitely without repetition or pattern.”
March 14 is Pi Day because the date can be written 3.14. It has been picked up by pie bakers and pizza chains as an excuse for promotions.
Here are some of the deals to watch for, but be aware that although pi is infinite, Pi Day deals are only good on Wednesday.
"First recognized 30 years ago in 1988 by physicist Larry Shaw, Pi Day observers often celebrate with a slice of their favorite pie in honour of the number's delicious sounding name," Google wrote in its blog.
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