There are a variety of ways line graphs can be used to clearly display complex information. Each axis is named by the quantity labelled on it. This might be \(x\) and \(y\), or time and temperature.

Sufficient conditions are obtained for a function harmonic in the disk and continuous at a boundary point to have a level curve emanating from the boundary point into the disk. The one-sided ...

Graphs are a useful way to show different types of data. A variety of graphs, such as line, bar or pie graphs, are used to present different types of data. Graphs can be used to summarise data, ...