In mathematics, ? (pi) — the ratio of the diameter of a circle to its circumference — is a constant roughly equal to 3.14159. That means today, 3/14, is ? day!
What baby names start with “Pi-“? There are a bunch, but only a handful start with that same “pie” sound:
Other names that start with “Pi-” but a different sound include:
What’s your favorite Pi- name?