Mar 4, 2018 · Pi notation provides a compact way to represent many products. To make use of it you will need a “closed form” expression (one that allows you to describe each factor’s value using its factor number) that describes all factors in the product.
In mathematics, at least four different functions are known as the pi or Pi function: (pi function) – the prime-counting function (Pi function) – the gamma function when offset to coincide with the factorial; Rectangular function – the Pisano period
In math, the product notation is a way of indicating that a series of numbers or values should be multiplied together. It is often used to express the product of a set of numbers or variables. The product notation can also be written using a capital Greek letter …