Excel's built-in features cover most jobs, but these five free add-ins make everything from date entry to data analysis ...

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 ...

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 ...

I'm using Excel's Solver utility to help us calculate a day's roster for one section of our business based on averaged demand for staff. I've got an array of possible shifts and a staff multiplier for ...