Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

One of the most underused lookup and reference functions in Microsoft Excel is the DROP function. This powerful yet simple ...

I use these functions to summarize data with formulas instead of dialog boxes. That makes it easier to see exactly what's ...

Dan Houser has revealed what her refers to as his 'equation' for writing Rockstar's video games throughout the years.

The cuts largely affect Democratic-led states as the two parties fight over the shutdown of the federal government. By Brad Plumer and Maxine Joselow A Times correspondent who interviewed Dr. Goodall ...