Configuring KmPlotTo access the KmPlot configuration dialog, select → menu item. The settings for can only be changed from the menu and the only from the menu.
Here you can set global settings which automatic will be saved when you exit KmPlot. You can set angle-mode (radians and degrees), zoom in and zoom out factors for zooming using Ctrl with mouse wheel or the corresponding menu items, and whether to show advanced plot tracing.