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 ...

What-if analysis in Excel is a powerful tool that allows you to explore different scenarios and outcomes by changing input values in your formulas. This guide will walk you through the three primary ...

Stratified mean-per-unit sampling is a key tool used by auditors. The popularity of this statistical procedure arises from its unique ability to produce trustworthy ...

Solving "no valid copy" issues In addition to re-applying the Microsoft Office v.X 10.1.2 updater (noted yesterday), some users have been able to work around the "no ...