Microsoft's Excel program, widely used in business, comes with many built-in functions that perform mathematical and logical operations on spreadsheet data. In Excel, functions are simple formulas you ...

Power users love to talk about how powerful and awesome Excel is, what with its Pivot Tables, nested formulas, and Boolean logic. But many of us barely know how to find the Autosum feature, let alone ...

When writing formulas in Excel, SUM and VLOOKUP are staples for beginners. But since Excel has over 400 functions, it's helpful to know more of the extremely useful ones, especially when looking to ...

Excel uses the Visual Basic for Applications (VBA) language to generate functions used within the spreadsheet. Most developers use Excel functions to automate processes such as importing data from a ...

Please note: This item is from our archives and was published in 2005. It is provided for historical reference. The content may be out of date and links may no longer function. Q. I know Excel ...

Have you ever trusted a tool to simplify your work, only to discover it might be quietly leading you astray? That’s exactly the risk you run with Excel’s “Percent Of” function. On the surface, it ...

To use the Duration function in Microsoft Excel, follow the steps below. Launch Excel Create a table or use an existing table Type the formula for the Duration function into the cell you want to place ...

Excel’s Date & Time functions ease the workload for bookkeepers, project planners, HR departments, and other jobs where time is money. The four functions covered here—ISOWEEKNUM, WEEKNUM, WORKDAY, ...

The MOD function in Microsoft Excel lets you work out whether one number is divisible by another. If it's not, it tells you what's left over. For example, if you divide 3 by 2, the MOD function will ...