In the Function list, select the kind of function you want to build. Use y = F(x) to specify y as a function of x, and x = F(y) to specify x as a function of Y.
F — This is the field where you build your function. You can use the operations described in the Equations section.
Start — This sets the starting point for the range over which your function is evaluated.
End — This sets the ending point for the range over which your function is evaluated.
Increment — This sets the value added to or subtracted from the previous point evaluated for the function to determine the next value to be run through the function.
Preview — This generates the curve and displays it for your review but does not apply the generated function to the drawing as geometry. Depending on your start and end points and the increment, it may take a while to evaluate and build the preview image.
Y=F(x) example:
