Pi – Π π
Pi is one of the more famous letters of the Greek alphabet. The lowercase letter is a distinct mathematic constant. It’s something that’s used in a wide array of complex equations.
Pi is the sixteenth letter of the Greek alphabet and has a numerical value of 80. In law, it’s commonly used in legal shorthand to describe a plaintiff. Meanwhile, engineers use the uppercase script for product operators, osmotic pressure, and viscous stress tensors.
It’s quite flexible in math. It may represent prime counting functions, inflation rates, economic profit, and more.