Finding and Correcting Errors in Calculations

Including calculations in a worksheet gives you valuable answers to questions about your data. As is always true, however, it is possible for errors to creep into your formulas. Excel makes it easy to find the source of errors in your formulas by identifying the cells used in a given calculation and describing any errors that have occurred. The process of examining a worksheet for errors in formulas is referred to as auditing.

Excel identifies errors in several ways. The first way is to fill the cell holding the formula generating the error with an error code. In the following graphic, cell D8 has the error code #NAME?.

When a cell with an erroneous formula is the active cell, an Error button appears ...

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