Most graphs chart data that you currently have, but in the course of running a business, you may find you need to design graphs before their data is available. For example, you might use Microsoft ...

Adobe Illustrator's Graph tool opens a miniature spreadsheet-like window into which you can enter rows and columns of data to produce column, bar, line, area, scatter, pie and radar graphs. Its line ...

Data visualization is one of the most important tools we have to analyze data. But it’s just as easy to mislead as it is to educate using charts and graphs. In this article we’ll take a look at 3 of ...

A time graph is a line graph which shows you data that has been collected over a period of time. There is a title which tells you what the data in the time graph is about. The horizontal (X) and ...

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 ...