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 ...

R1C1 coordinates provide a predictable map for auditing formulas and writing universal VBA macros.

Please note: This item is from our archives and was published in 2017. It is provided for historical reference. The content may be out of date and links may no longer function. Q. I have an ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...