Excel is incredibly powerful when your data is complete, but what happens when you need to solve for unknown variables? Enter Goal Seek and the Solver add-in, two tools that let Excel do the heavy ...

Excel can solve equations through several of its mathematical functions, but the single Excel tool that works on the largest variety of equations is the program's Solver Add-in. This tool reads an ...

It creates a reusable function that takes three inputs: actual sales, sales quota, and a weighting factor. It returns a ...

Not everyone is an Excel spreadsheet expert and you may not always know how to write the formulas you need for a given data set. If you're having trouble figuring out the right formula for your data ...

The COUNTIFS function in Excel is a powerful and versatile tool for counting cells based on multiple criteria. It offers a significant advantage over the COUNTIF function, which is limited to handling ...

Microsoft Excel was first released in 1987 and — despite popular competitors such as Google Sheets — is still used by millions of businesses throughout the world. Described as the “world’s most ...

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 ...

A popular add-on for helping Excel users creating optimization models has made its return to Excel 2008. Solver for Excel had been among the casualties of Microsoft’s decision to drop Visual Basic for ...

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