User manual

Table Of Contents
Chapter 3 | Designing and creating solutions 49
7. To select indexing and global storage options for the field, click Storage Options, select
options in the Storage Options dialog box, then click OK.
See “Setting options for fields” on page 50.
8. Click OK to close the Specify Calculation dialog box.
9. Drag the field to the layout.
Note If your FileMaker Pro file accesses data from external ODBC data sources, you can add
supplemental fields to specify calculations using external data. For more information, see
“Using
supplemental fields” on page 50.
Creating summary fields
Use summary fields to calculate values such as subtotals, averages, and grand totals across
multiple records. For example, a summary field can display in a report the grand total of all sales
in the month of May.
Use the New Layout/Report assistant to create a report with grouped data (data in a summary
field). See
“Creating layouts and reports” on page 54.
Tip You can use Table View in Browse mode to quickly create a dynamic report that groups your
data by a field, displays subtotals for a field, or creates subtotals for each group of data.
To Do this
Set the field type of the result Choose a data type for Calculation result is <value>. Choose the correct
type for the result. See “About choosing a field type” on page 44.
Make a calculated field
repeating
Select Number of repetitions, then type the number of repetitions (up to
32,000).
Prevent calculation if all
referenced fields are empty
Select Do not evaluate if all referenced fields are empty.
When enabled, FileMaker Pro does not evaluate a calculation if all fields used
by the calculation are empty.
Choose field references
Formula box
Choose operators
Choose
functions
Choose a formula
result type
Choose indexing and
storage options
Make the calculated field repeating
Choose a table
Calculate only if at least one field in
the formula has a value
Choose the table from which the
calculation will be evaluated
Search for a function