Crystal Reports  

Performing Report Calculations

In many cases, the data needed for a report already exists in database table fields. Sometimes, however, you need to put data on the report that does not exist in any of the data fields. In such cases, you need to create a formula.

Formula Overview
Explains how to create formulas and incorporate them into reports.
Custom Functions
Explains how to create custom functions that you can reference in formulas.
SQL Expressions
Explains when to use SQL Expressions in reports.

See Also

Inserting Formulas | Report Processing Model | Incorporating Parameters into Formulas