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.

Excel's MOD function doesn't have to be used to return a value—it can also be used to determine which cells should be formatted through conditional formatting.

Microsoft Excel can generate trend lines based on data you provide, and in doing do, calculates the equation of the trend line. This equation can be accessed using Excel's built-in Visual Basic tools.

Microsoft's Mac BU and FrontLine Systems have announced that Solver for Excel 2008 is now available for the Mac as a free download. Frontline ...