Plotting a graph takes time. Often mathematicians just want to know the key features. These are: shape, location and some key points (such as where the graph crosses the axes or turning points). So ...

When you lose something important, you want to get it back. That’s the human instinct driving the conversation around signal loss. Marketers rightly feel an urgency to get back to a higher level of ...

Plotting a graph takes time. Often mathematicians just want to know the key features. These are: shape, location and some key points (such as where the graph crosses the axes or turning points).