*Did you know?*🤔 Every 14th of March it's Pi day. *Pi Day (π day)* is celebrated worldwide by math enthusiasts, schools and organizations. What is Pi? Pi (π) is a mathematical constant representing the ratio of a circle's circumference to its diameter. It's approximately equal to 3.14159, but it's an irrational number, which means it can't be expressed as a finite decimal or fraction. *Why March 14th?* March 14th(3/14): The first three digits of pi, which is approximately equal to 3.14159 History of Pi Day Pi Day was first celebrated in 1988 by Larry Shaw, a physicist at the San Francisco Exploratorium. It's now celebrated worldwide. Pi in Real Life: 1. *Architecture*: Pi is used in designing circular structures, like bridges and buildings. 2. *Engineering*: Pi appears in formulas for stress, strain, and resonance. 3. *Science*: Pi is essential in calculations involving circles, spheres, and cylinders.