The Solver add-in for Microsoft Excel is one of the most important, so we can understand the frustrations when users cannot get it to work as they hope. In older versions of Excel, folks had to ...

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 ...

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 ...