Variables return the value of a field for each entry. You can reference any field in your formula using variables. Both variables and formulas can be added automatically via the available buttons in the Write Formula section.
Here are some practical examples of formulas using available functions and variables:
When creating a new field, choose Formula as the data type
The Write Formula section will appear
Write your formula using available functions and variables
Both variables and formulas can be added automatically via the available buttons
After creating your formula field, you can add it to the entry layout so it appears in the system. For more information, refer to Creating Fields.