Inequalities that use < or > symbols are plotted with a dashed line to show that the line is not included in the region. Inequalities that use ≤ or ≥ symbols are plotted with a solid line to show that ...

This example specifies a plot symbol on a SYMBOL statement and rotates the symbol through the colors list. Temperature values in the data are represented by the same plot symbol in a different color.

Inequalities are the relationships between two expressions which are not equal to one another. The symbols used for inequalities are <, >, ≤, ≥ and ≠. \(7 \textgreater x\) reads as '7 is greater than ...