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 ...

When you create a graph in Excel, the software automatically sizes the X and Y axis lines, so the data you want to display is shown. You can override the settings and set the vertical and horizontal ...

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. This post is motivated by a comment on my blog post Line Charts Are Not Always ...

You can make a bar graph in Excel by first selecting the range of data you want to depict, and then using the dropdown menu to select the desired chart. A bar graph represents the data of an Excel ...