# Usage
Because PRIMAP2 builds on xarray, all xarray functionality is available
right away.
Additional functionality is provided in the `primap2` package and
in the `pr` namespace on xarray objects.
In this section, we will show the fundamentals of how to work with primap2 data.


```{toctree}
:caption: Usage documentation
:maxdepth: 2

select_and_view
store_and_load
add_and_overwrite
logging
merge
skipna
downscaling
gas_baskets
csg
```