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

# Welcome

Click through the interactive demo below to learn the fundamentals in seconds! 

{% embed url="<https://app.supademo.com/demo/cmac94pre75tc13m0fbb5lfyr>" %}