# Capital Pi Symbol (Π)

The capital Greek letter (capital Pi) is used in math to represent the product operator. Typically, the product operator is used in an expression like this:

In plain language, this means take the product of the sequence of expressions represented by the expression starting from and iterating until .

Symbol Format Data
Π Unicode
928
TeX
\Pi
SVG

## Usage

The product operator is represented by the Π (capital pi) symbol and is used to represent the operation of multiplying a sequence of expressions together.

## Related Symbols

The Greek letter π (pi) is used in trigonometry as a constant to represent a half-rotation around a circle in radians. The value of π is approximately 3.14 and appears in the geometric formulas for finding the circumference and area of the circle. The value of π can be calculated by dividing any circle's circumference by its diameter.