### 3.5.8 Configuring the graphics

You can configure each graphics screen by clicking on the cfg button on the graphics screen’s control panel to the right of the graph. You can also change the default graphical configuration using the the menu item Cfg▸Graph configuration. You will then be given a window in which you can change the following options:

- X- and X+
  These will determine the x values for which calculations will be done.
- Y- and Y+
  These will determine the y values for which calculations will be done.
- Z- and Z+
  These will determine the z values for which calculations will be done.
- t- and t+
  These will determine the t values for which calculations will be done, when plotting parametric curves, for example.
- WX- and WX+
  These will determine the range of x values for the viewing window. done.
- WY- and WY+
  These will determine the range of y values for the viewing window.
- class_min
  This will determine the minimum size of a statistics class.
- class_size
  This will determine the default size of a statistics class.
- autoscale
  When checked, the the graphic will be autoscaled.
- ortho
  When checked, all axes of the graphic will be scaled equally.
- >W and W>
  These are convenient shortcuts to copy the X-, X+, Y- and Y+ values to WX-, WX+, WY- and WY+, or the other way around.

This page will also have buttons for applying the settings, saving the settings for future sessions, or canceling any new settings.