This screenshot displays the output in the right navigator pane which appears on selecting the Calculations tab of the Create Analytic View dialog box.

It displays the field names such as the Measure Name. Below the Measure Name field is Calculation Category drop-down.

The following drop-down fields such as the Calculation template, Measure and Hierarchy depends on values you select from the Calculation Category drop-down.

Select the Offset value from the drop-down.