# Π

Unicode name GREEK CAPITAL LETTER PI U+03A0

## Translingual

### Symbol

Π

1. (mathematics) Product over a set of like terms:
$\prod_{n=1}^2 n^2 = 4$

#### Usage notes

• (mathematics): Though there exists a distinct symbol () for the purpose of the mathematical product, the upper case pi here continues to be used for convenience.

## Greek

### Letter

Π (uppercase, lowercase π)

1. The upper case letter pi (πι), the 16th letter of the modern Greek alphabet.