Dallas-based Norma’s Cafe chose a charitable approach to Pi Day this year. On March 14, the restaurant’s four locations will donate a portion of pie sales to the robotics team at the local School for the Talented and Gifted. The proceeds will help cover the team’s materials, cost of competitions and travel to the Texas State Competition in the fall.

The Tuck Room Tavern — a Los Angeles restaurant from James Beard Award winner and pastry chef Sherry Yard — will dole out its Big Apple Pot Pie to diners for just $3.14. The dessert deal will be available all day on March 14.

Fast-casual pizzeria Pieology will spread the Pi Day love on March 14 by offering customers who sign up to become a PieLife member, with any custom pizza pie priced at $3.14, at participating locations nationwide.

New York City-based Villa Italian Kitchen will honor Pi Day with full-size Neapolitan Cheese Pizzas priced at $3.14 each. The offer will only be available on March 14 for customers who download a Pi Day coupon on Villa’s website.

Baskin-Robbins celebrates Pi Day this year with its Polar Pizza. Each Polar Pizza is made with a double fudge brownie or cookie crust, and guests can customize their ice cream flavors and toppings.

Blaze Fast-Fire'd Pizza, a Pasadena, Calif.-based fast-casual concept with over 180 units nationwide, will serve diners customized artisanal pizza pies at just $3.14 each. The special is available at any Blaze Pizza location across the country on March 14. The company will also be sharing "behind-the-scenes" Pi Day coverage on Facebook Live and Snapchat, offering viewers a chance to win free pizza.

Italian restaurant Bertucci’s, which has locations across the Northeast, will offer a Pi Day deal. Customers who buy any of their large brick-oven pizzas can get an additional small pizza for $3.14. The special will run from March 14 to March 16 at any local Bertucci’s.