Product IDs, serial numbers and other reference numbers require a unique identifier to avoid confusion when referencing a product or specific data point. Although you can manually enter unique numbers ...

In a Microsoft Excel spreadsheet, you may have formulas sitting in one cell that require the information within another cell in order to calculate. These relationships are called references. When a ...

Microsoft Excel is designed to alert users whenever a circular reference is causing problems. Folks who are unable to spot the error can take full advantage of the ...

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