We're committed to people with primary immunodeficiency (PI). Here's how: | Immune Deficiency Foundation

25 Fun Facts About Pi Your Math Teacher Might Have Missed

Folks with PI often spend far too many years undiagnosed and looking for answers. This is why #InvisibleIllnessAwareness is important. Understanding the complexities of invisible illnesses, like PI, leads to quicker time to diagnosis, better care, improved support, and fewer feelings of isolation. | Immune Deficiency Foundation

125 Math Jokes and Puns That'll "Totally" Crack Up Your Students

Pi Day Jokes for Kids, Printable Pi Day Game, Math Pie Day Classroom Activity, Pi Day Party Idea, Funny Pi Day Worksheet, March 14th, 3.14 - Etsy UK