We all know that π is typically rounded to 3.14, as figures with many numbers beyond the decimal point usually are. But did you know those post-decimal numbers continue infinitely? Pi is an irrational number, which means it cannot be represented as a simple fraction, and those numbers cannot be represented as terminating or repeating decimals. Therefore, the digits of pi go on forever in a seemingly random sequence. Pi is also a transcendental number, which means no amount of mathematics could possibly determine its value.
AP Photo/Matthew Mead
