Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions.

Functions are the driving force of any Microsoft Excel spreadsheet, generating a single value or an array of results based on ...

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.

Build a custom Excel function library in minutes! Learn how to use VBA, create a personal macro workbook, and design a custom ribbon tab.

A. I love all things Excel, but the LAMBDA function is one I am most excited about. It allows you to build your own custom functions. LAMBDA is a relatively new function for users of Excel 365 and ...

On Monday, the company announced that its Copilot AI is now available as an Excel function for Microsoft 365 insiders. That means you can add COPILOT to a formula and then use natural language in a ...

Excel’s BYCOL() and BYROW() functions evaluate data across columns and rows, returning an array result set allowing you to bypass a lot of work.

Excel offers three functions for calculating the internal rate of return, and I recommend you use all three.

You can use the PRODUCT() function to multiply monetary values in your Microsoft Excel spreadsheet. Functions allow you to perform a specific set of calculations in a cell, column or row. The ...

DATEDIF(), which means Date + Dif, is a compatibility function left over from Lotus 1-2-3 that Microsoft adopted in Excel version 2000. It's fallen off current Excel menus, but you can still use ...