All-Purpose’s three locations—pizzerias in Shaw and Navy Yard, and a snug spinoff in Bethesda—will offer Pi Day specials.

March 14 marks National Pi Day, a celebration of the mathematical constant π (3.14) with freebies and deals. Here's what you need to know.

Living the Pie Life: Pick up a special Pi Day Box with three mini pies available only on 3/14. Pie Shop DC: From 3:14-6:30, they are offering select sweet pies for $3.14. Wiseguy Pizza ...

Astro Doughnuts & Fried Chicken: The Shirlington outpost of this doughnut shop hosts a festive mini doughnut decorating event ...

Pi, a number that begins with '3.14." In honor of the special day, beloved INW vendor, Birdie's Pie Shop, will be selling their pies for $3.14 all day Friday. This year, Birdie's Pie Shop said ...

A limited amount of pie will also be available at the shop on Pi Day while supplies last. Blue's Bakery is celebrating all week long! From March 10-15, if you buy one slice of housemade pie at ...

The pie shop normally specializes in mini pies, but is celebrating with slices this year. Deal valid: 1-7 p.m. March 14 or until sold out. Location: 106 Main St. SE, Bondurant Buy one, get one deal at ...

Just in time for Pi Day, a popular Jacksonville specialty pie shop that's earned nationwide recognition is setting up shop at its new storefront downtown. Walk-up pies will be available on a first ...

SmallPie will offer multiple fruit and cream pies. These pies can be ordered ahead of time or can be bought at the shop for Pi Day. Blue's Egg in Milwaukee will have a "buy one, get one half off ...