SUM is the spreadsheet equivalent of an open invite: it welcomes everything into the total, whether it belongs there or not.

Excel has over 475 formulas in its Functions Library, but we've selected the most popular, from date and time functions to mathematics and simple data manipulation.

Discover 7 powerful Excel functions that will revolutionize your workflow, automate tasks, and save you hours of time. From ...

Excel's main function is to interlink cells, through the use of formulas, so that the formula cell changes when data is inputted into linked cells. The best way to store information in ...

Duplicates in the same column are easy to find by sorting, filtering, and using conditional formatting. When none of those are an option, try this simple formula solution.

Learn how to calculate simple, weighted and exponential moving averages in Microsoft Excel using Data Analysis Tool Pack or Formula.

In Excel spreadsheets, complex formulas are difficult to enter without making mistakes. Microsoft Excel’s LAMBDA() function can make such errors easier to find.

How to Do Percent Markup in Excel. Formulas help business owners create useful spreadsheets that perform complex calculations automatically. Markup percentages, which show the difference between ...

This article looks at how to use Excel’s auditing tools to audit formulas and ensure the accuracy of data.