Minimize costs? Create a conference schedule with fewest early-morning sessions? In this excerpt from the book Data Smart, find out how to use Excel's free Solver add-in to do some data science ...

Excel can solve for unknown variables, either for a single cell with Goal Seek or multiple cells with Solver.

The Solver add-in is included by default in Microsoft Excel. You only need to activate it to load it. Learn how to load Solver add-in in Excel if it is not showing.