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 ...

The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and unapproachable. With just three clicks of a mouse (or ...

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 ...

Want to create beautiful animated charts or graphs? Here are the best free online graph and chart maker tools that let you generate animated graphs online. These websites provide a feature to ...

Do you see it? The line graph, in the artwork above? Take another look. Whoa, right? Artist and scientist Jill Pelto combines art with scientific data to raise awareness about climate change. In this ...

A function is a rule that is applied to one set of values to give another set of values. A function can be illustrated on a graph – points are plotted as coordinates and joined by either a straight ...