Define Names dialog box, select the existing name, enter a new name in the Names in
Workbook box, and click the Add button. Then select the old name and click the Delete
button.
If some of the formulas in your workbook display error messages after you change or delete a
range name, see “Checking Formulas Before Deleting Range Names” in the “Troubleshooting”
section at the end of this chapter.
Manipulating Data with Worksheet Functions
Worksheet functions handle a broad array of tasks, from simple arithmetic to complex finan-
cial calculations and intricate statistical tests. Regardless of its complexity
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