This example shows how to use an Annotate data set to draw a flag that is composed of a rectangle and four stars. The stars are positioned by placing them on an imaginary circle. The program uses the ...

Excel displays percentages of a whole using pie charts, also known as wedge charts of circle graphs. Businesses tend to rely on such charts. The diagrams appear cluttered when graphing many items, and ...

Any point P with coordinates (\(x,~y\)) on the circumference of a circle can be joined to the centre (0, 0) by a straight line that forms the hypotenuse of a right angle triangle with sides of length ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. I recently saw the infographic in Figure 1 and thought to myself, “Another ...