Microsoft Excel can present two series of data points together on the horizontal axis, but if the number scale for each series dramatically differs, the data will not be readable. Using a two-sided ...

One of the advantages of using Excel as your spreadsheet application is that you can display a simple piece of information just as effectively as a complicated collection of data. For instance, you ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. This article is more than 10 years old. This week I invited a guest blogger, ...