- User's Guide

Suppose you wish to find out how many albums in total you have in stock, and what is their total price.
This information is provided by *table summary*. (The table from chapter 4 will be used
for demonstration purposes– you can find it in file* Examples\Chapter 04.s-d*.)

Display the summary by clicking the
button located to the right of the table header. After you
click the button, the sum and average values of all numeric columns are displayed at the bottom of the
table:

The summary includes only rows satisfying the applied filter. This helps you to get a partial summary.
Another option is to select required rows (using the `Shift+`
and keys). If some
rows are selected, an additional blue summary appears, which contains the sum and average values of the
selected rows only:

The summary can also contain statistics other than sum and average. The context menu contains a list
of all available summary statistics. If you check them, the respective values of these statistics appear
as well.

The following chapters of the *Reference Guide *contain detailed information on the
discussed topics: