# Pi

Block Group: | Constants |

Icon: |

The Pi block is a Number block. When the Pi block is created, the Pi block holds the mathematical constant pi.

For information on using dataflow blocks, see Dataflow.

## Input/Output Property

The following property of the Pi block can take input and give output.

- value
*(number)*

**value** sets and returns the number held by this Pi block. When a Pi block is created, the **value** property holds the mathematical constant pi.