> For the complete documentation index, see [llms.txt](https://docs.medable.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.medable.com/cortex-api/scripting/available-javascript-libraries.md).

# Available Javascript Libraries

The following useful native javascript libraries are available for import in scripts.

| Library                                                         | Export              | Version      |
| --------------------------------------------------------------- | ------------------- | ------------ |
| [bignumber.js](https://github.com/MikeMcl/bignumber.js)         | `bignumber`         | 2.1.4        |
| [aes-js](https://github.com/ricmoo/aes-js)                      | `aes-js`            | 3.1.0        |
| [decimal.js](https://github.com/MikeMcl/decimal.js)             | `decimal`           | 5.0.4        |
| [moment.js](http://momentjs.com/)                               | `moment`            | 2.18.1       |
| [moment-timezone.js](http://momentjs.com/timezone)              | `moment.timezone`   | 0.5.13-2017b |
| [underscore.js](http://underscorejs.org/)                       | `underscore`        | 1.8.3        |
| [underscore.string](http://epeli.github.com/underscore.string/) | `underscore.string` | 3.2.2        |

{% hint style="info" %}
Many of these libraries provide useful helper functions but they do count against operation limits.
{% endhint %}