The study of such graphs is called graph theory. Engineers need to find planarity in a graph when, for example, they are designing a computer chip without a crossed wire.

De Grey pitched the problem of finding the minimal five-color graph to Terence Tao, a mathematician at the University of California, Los Angeles, as a potential Polymath problem. Polymath began about ...

Learn about line graphs with this BBC Bitesize Maths article. For students between the ages of 11 and 14. ... Unlike a bar chart, the labels go on the lines, not in the spaces. Image caption, ...

To understand what a time graph is showing you, you need to look at three things: 1. Title - The title tells you what the graph is about. For example, "Temperature on the First of September." 2.

After that, go to the Insert tab and click the Insert Line or Area Chart button in the Charts section. After that, select a 2-D Line graph that you want to display in your spreadsheet.