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Sams Teach Yourself Crystal Reports® 9 in 24 Hours by Ryan Marples, Neil FitzGerald, Steve Lucas, Joe Estes, Kathryn Hunt

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Chapter 10. Understanding and Implementing Formulas

In Hour 6, “Selecting and Grouping Data,” we briefly introduced formulas—the ability to create them and subsequently drop them into a report from the Field Explorer. In this hour, we'll explore the Formula Editor in more detail.

Formulas provide great flexibility and power when creating Crystal Reports by enabling the creation of derived fields not directly stored in available data sources. Formulas also enable the creation of advanced conditional object formatting and the use of flexible selection formulas in a report.

Crystal Reports has a number of built-in tools that facilitate the formula creation and formula reuse processes, the Formula Editor being a good example. With version 9, a powerful ...

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