---
title: "pow | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Function pow

-   pow(out: [quat](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.quat/), a: [ReadonlyQuat](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ReadonlyQuat/), b: number): [quat](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.quat/)[](#pow)
    
    Calculate the scalar power of a unit quaternion.
    
    #### Parameters
    
    -   out: [quat](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.quat/)
        
        the receiving quaternion
        
    -   a: [ReadonlyQuat](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ReadonlyQuat/)
        
        quat to calculate the exponential of
        
    -   b: number
        
        amount to scale the quaternion by
        
    
    #### Returns [quat](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.quat/)
    
    out