# Math Constant

## Overview

![The Math Constant Node.](https://1553081948-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FU990HLHWA30dTfELtDUK%2Fuploads%2Fgit-blob-df8cb95f21afd94a4f3ea98b7158eb9d38b8e4a3%2Fmathconstantnode20241.png?alt=media)

The **Math Constant** **Node** outputs a mathematical constant chosen out of three options: Pi, e (Euler's number), and Douglas-Adams Constant (42).

[**Scope**](https://docs.incari.com/incari-studio/overview#scopes): **Project**, **Scene**, **Function**, **Prefab**.

## Attributes

![The Math Constant Node Attributes.](https://1553081948-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FU990HLHWA30dTfELtDUK%2Fuploads%2Fgit-blob-de29bd06225f0be48c0fecd20d6820f27e621f5e%2Fnode-math-constant2-attr.png?alt=media)

### Miscellaneous

| Attribute | Type          | Description                                   |
| --------- | ------------- | --------------------------------------------- |
| `Type`    | **Drop-down** | The mathematical constant you wish to output. |

## Outputs

| Output  | Type      | Description                                              |
| ------- | --------- | -------------------------------------------------------- |
| `Value` | **Float** | The value of the mathematical constant chosen in `Type`. |

## External Links

* [*Pi*](https://en.wikipedia.org/wiki/Pi) on Wikipedia.
* [*e (mathematical constant)*](https://en.wikipedia.org/wiki/E_\(mathematical_constant\)) on Wikipedia.