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.

If it's not, it tells you what's left over. For example, if you divide 3 by 2, the MOD function will return 1. In this guide, I'll show you how you can use it to solve real-world problems.

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 popular Solver for Excel add-on has been redeveloped for Excel 2008 by Frontline Systems and Microsoft.

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.