Excel is incredibly powerful when your data is complete, but what happens when you need to solve for unknown variables? Enter Goal Seek and the Solver add-in, two tools that let Excel do the heavy ...

Technology to predict how our bodies will manage chronic diseases such as Crohn’s disease and inflammatory bowel disease promises to accelerate the discovery of new treatments, identify leads for ...

The unknown values in an equation could be the individual costs of a smoothie and a banana when the combined cost is known. Simultaneous equations can be useful when running a business. Watch the ...