In order to work with gradients and straight lines successfully, a good understanding of coordinates and linear graphs is needed. The gradient of a line is calculated by dividing the difference in the ...

A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate these coordinates by substituting values into the linear equation. STEP 1 - Draw a ...

The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and unapproachable. With just three clicks of a mouse (or ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. In my last post I criticized a figure showing Facebook valuations over time.

Microsoft Excel doesn't always provide everything you need when it generates graphs. For example, by default, your line graph doesn't included a title. However, this doesn't mean you have to go ...