If you want to combine more than two different data series with common horizontal and different vertical values, you could not just add another axis to the chart. You need to combine several charts into one chart.

Sometimes you want to show several axes in one chart in order to demonstrate each data series with different formatting and with different axis in one chart.

Sometimes you can give your charts more impressive view by showing deviations of some real process from its expected flow.

Most reports and presentations contain a lot of boring charts that describe the state before and after some event, action, etc. However, using simple visual tricks you can shake up the audience and draw an attention to the essence of your presentation.

If you have several parts of something one, you can demonstrate each item in one pie chart. But sometimes you want to demonstrate the changes of those parts and doughnut chart will help you to do this.

Excel propose easy and very fast way to create a chart by using shortcut keys.

This chart resembles a speedometer gauge and displays a value between 0 and 100%.

Creation of a large number of visually consistent charts to represent different data is a time consuming and error prone task, unless you know how to copy formatting between charts.