How Theories Work on Instagram: "Pi (π) is one of the most fascinating numbers in mathematics. It represents the ratio of a circle’s circumference to its diameter, and its value is approximately 3.14159. What makes π special is that it never ends or repeats — it’s an irrational number. From measuring circles and waves to calculating planetary orbits, π appears everywhere in nature and science. For example, if a circle’s diameter is 1 meter, its circumference will always be 3.14159 meters. Pi sho