> For the complete documentation index, see [llms.txt](https://help.auxalia.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.auxalia.com/plant-tools/plantexpresstools/how-to-use/calculations.md).

# Calculations

This feature allows you to calculate AutoCAD Plant 3D as well as AutoCAD properties like color.

Table of Content:

* [How to use Videos](/plant-tools/plantexpresstools/how-to-use/update-tags/how-to-use-videos.md)
* [User Interface](/plant-tools/plantexpresstools/how-to-use/update-selection-lists/user-interface.md)
* [Update Calculations](/plant-tools/plantexpresstools/how-to-use/calculations/update-calculations.md)
* [Calculate simple Example](/plant-tools/plantexpresstools/how-to-use/calculations/calculate-simple-example.md)
* [Calculate AutoCAD Properties](/plant-tools/plantexpresstools/how-to-use/calculations/calculate-autocad-properties.md)
* [Calculate Annotations](/plant-tools/plantexpresstools/how-to-use/calculations/calculate-annotations.md)
* [Calculate FlowData (complex) with PlantLink](/plant-tools/plantexpresstools/how-to-use/calculations/calculate-flowdata-complex-with-plantlink.md)
* [Additional Information](/plant-tools/plantexpresstools/how-to-use/calculations/additional-information.md)