Use this window to define calculated columns that you may select from the Available Columns list on the Data Layout tab in Options.
Highlight a column in Selectable Columns.
Use the Operators and Numbers or another column to add calculations to the formula.
You may also use functions. (Refer to Help System for details.)
The Format dropdown enables you to define the decimals to be used.
Type a name for your calculation
You have two choices for saving.
<Save> stores your personal calculations.
<Save as System> stores as system calculations that you may share with others.