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 ...

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 ...

Each cell in an Excel spreadsheet has a unique address, called a cell reference. This reference combines the letter that represents the cell's column with the number that represents its row. Cells in ...