March 14 is the day we load up on pizza and pie to honor the mathematical constant pi. Here’s a list of several deals running on Pi Day. Since deals are subject to change, double-check with your ...

A Pi Day dinner is a unique opportunity to celebrate the mathematical constant π (pi) while indulging in delicious food and engaging activities with friends and family.

March 14 is Pi Day, which gives you a hint to the start of the irrational number that is central to a lot of mathematics. In a video, Duke students competed to provide the longest string of Pi digits.

In his post-apocalyptic debut novel, “The Gone-Away World,” Nick Harkaway writes, “Pie is . . . ephemeral. From the moment it emerges from the oven, it begins a steep decline: from too hot to edible ...