One could reasonably argue that beyond four sets of elements, Venn diagrams lose their utility. The four-ellipse image is already pretty chaotic. Maybe for five-plus sets we should abandon visual ...

From the solution of this equation the coefficients of the difference, (or differential) equation of the optimal linear filter are obtained without further caleulations. (3) Tke fillering problem is ...

Flat irons seem pretty straightforward since they require just a few passes with a steady hand to do their job, but certain things can set a good one above the rest: a range of heat settings to ...