> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cfo.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Work with formulas using Ari

Ari can explain existing formulas, test calculations without changing your model, and create or update formulas when you ask it to.

These guides show what to ask, what Ari changes, and what to review afterward.