# Unity Products:Amplify Shader Editor/PI

From Amplify Creations Wiki

## Pi Node

The Pi node outputs the mathematical constant π ( 3.14159265359... ) multiplied by a scalar factor defined by its Multiplier property.

Nodes used:
Vertex TexCoord,
Vector2,
Float,
**PI**,
Rotator,
Texture Sample

Node Parameter | Description | Default Value |
---|---|---|

Multiplier | Scalar factor which is multiplied by the π constant. Only visible if the respective input port is not connected. | 0 |

Input Port | Description | Type |
---|---|---|

Multiplier | Scalar factor which is multiplied by the π constant. | Float |

Math Operators - PI |