Discover how Excel's Goal Seek reverses calculations to find input values from known outcomes and enhances your data analysis skills.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

As you use Microsoft Excel more and more, you'll find that the VLOOKUP function is a very popular tool for dealing with large Excel directories or databases. It allows the user to quickly find ...

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...