Happy Pi Day! Today we celebrate the mathematical constant used to measure the circumference of a circle. For Hoosier Mama Pie Company, the holiday also marks another milestone. https://www.audacy.com/wbbm780/news/local/hoosier-mama-pie-company-celebrates-pi-day-15th-anniversary | WBBM Newsradio

Pi is a mathematical constant representing the ratio of a circle’s circumference to its diameter, approximately equal to 3.14159. It is an irrational number, meaning it cannot be expressed exactly as a fraction, and its decimal expansion goes on forever without repeating. Pi appears in countless formulas across mathematics and physics, from calculating areas and volumes of circular shapes to describing wave patterns and the behavior of pendulums. Despite its simple definition, pi holds deep sign