Master Excel’s most versatile logical gatekeeper to validate inputs, prevent math crashes, and automate complex spreadsheet ...

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); ...

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 ...

Spreadsheet programs are effective tools for successful businesses. These programs can significantly reduce the time needed to create reports and financial statements used to manage a business. Most ...

Replace confusing cell references with global constants, local variables, and reusable custom functions.