Interpolation is forecasting using existing data to predict future patterns and values. Being able to forecast helps every business leader make the right decisions when it comes to cutting costs, ...

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. One of the ...

Your client, Dave’s BBQ, a local independent restaurant, is interested in determining the effect on sales revenue of certain advertising strategies. Dave has weekly data on advertising dollars spent ...

How to turn complex formulas into easy-to-use custom functions using LAMBDA() in Excel Your email has been sent LAMBDA functions are new to Microsoft Excel. With LAMBDA functions, you can turn a ...

Excel's AGGREGATE function lets you perform calculations whilst ignoring hidden rows, errors, or other functions that appear in the data. It's similar to the SUBTOTAL function but provides more ...