# Creating a calculation

1. On the report palette, click a column heading.
2. Optionally, select additional column headings by clicking them while holding down the Shift key.
3. Do one of the following:
   - From the Edit Data menu, click Calculate.
   - From the toolbar, click the Calculate () button.
   - Right-click a highlighted column heading, and select Calculate.
4. Complete the Calculate page:
   1. Select the operations.
   2. Select from other calculation parameters.
   3. Optionally, apply a new item name to the calculation.
5. To add the calculation to the ad hoc report, click Insert.

Note: When you select more than one column upon which to base a calculation, you can only select columns that contain the same type of data (numeric, string, date/time).

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