Calculated columns are the SharePoint equivalent of Excel formulas. They allow you to display values that are calculated from the values of one or more other columns. These calculations can be made using standard mathematical operators and SharePoint's built-in functions.
Calculated columns are the SharePoint equivalent of Excel formulas. They allow you display values that are calculated from the values of one or more other columns. These calculations can be made using standard mathematical operators and SharePoint's built-in functions.
The Microsoft documentation for calculated columns: Calculated Field Formulas.
The full function reference: Examples of common formulas in SharePoint Lists.