Selecting Graph Type

While entering graph definition you select definition type in the following window

The options are:

• Cartesian -  graph specified in Cartesian coordinates
• Polar - graph specified in Polar coordinates 
• Broken Line -  broken line specified by its vertexes
• Parametric – curve specified parametrically
• Level line – set of  level lines
• Directional Field – field of directions
• Array– broken line specified by array data
• 3-spline – third-order spline  specified by array data