> For the complete documentation index, see [llms.txt](https://ehjc.gitbook.io/kallisto/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ehjc.gitbook.io/kallisto/master.md).

# Featurizer and Modelling Helper

Calculate atomic features efficiently for most elements of the periodic table!

We provide a number of detailed guides dealing with a common task that can be performed with the `kallisto` program. Detailed inputs are provided in a ready-to-use fashion to solve some more special but still common tasks together with some insights into the theory used behind the scenes.

![](https://3403678501-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MP5mmUxq5nIfLRvFnya%2F-MPptb0fTKOw_K_F_ghx%2F-MPpteBrglWwqYm0LAGK%2Flogo.svg?alt=media\&token=7480f95c-ab4b-4136-898b-19ca3527a122)