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Microsoft® Excel® 2010 Inside Out by Mark Dodge and Craig Stinson

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Understanding Logical Functions

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You use logical functions to test for specific conditions. These functions are often called logical operators in discussions of Boolean logic, which is named after George Boole, the British mathematician. You might have run across logical operators in set theory, which is used for teaching logical concepts in high school. You use logical operators to arrive at one of two conclusions: TRUE or FALSE. We discuss the most useful logical functions in the following sections. You can access the logical functions by clicking the Logical button on the Formulas tab on the ribbon.

Using Selected Logical Functions

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