You can reply online to our special day! RSVP for Pi Day 2020 Let us know you're attending by submitting the fields below. Personal information: First name(s): Last name: I/We happily accept the invitation and wouldn't miss it for the world. I/We regretfully decline the invitation but will be there in spirit. Number Attending: Comments (please add any dietary concerns or if only part of your party will be attending here): Please enable JavaScript for this form to work.