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 ...

The Change Chart Type utility in Microsoft Excel features several graphs from which you can select to convert your current Excel chart into a graph. Choosing a new graph type from the utility ...

Charts and sparklines are powerful data visualization tools in Excel. Here’s a guide to the most popular chart types in Excel and how to best use them. Microsoft Excel offers a plethora of tools for ...

A new study suggests that the format in which graphs are presented may be biasing people into being too optimistic or pessimistic about the trends the graphs display. Academics from City, University ...

Need to know your organization’s YOY results? Susan Harkins will show you how to make a PivotChart in Microsoft Excel. You can make an Excel PivotChart to show year-over-year results like this one.