HP 39gs Graphing Other views for scaling and splitting the graph

To set zoom factors 1. In the Plot view, press .

2.Press .

3.Select Set Factors... and press .

4.Enter the zoom factors. There is one zoom factor for the horizontal scale (XZOOM) and one for the vertical scale (YZOOM).

Zooming out multiplies the scale by the factor, so that a greater scale distance appears on the screen. Zooming in divides the scale by the factor, so that a shorter scale distance appears on the screen.

Other views for scaling and splitting the graph

VIEWS menu options

The preset viewing options menu () contains options for drawing the plot using certain pre-defined configurations. This is a shortcut for changing Plot view settings. For instance, if you have defined a trigonometric function, then you could select Trig to plot your function on a trigonometric scale. It also contains split-screen options.

In certain aplets, for example those that you download from the world wide web, the preset viewing options menu can also contain options that relate to the aplet.

Press , select an option, and press .

Option	Meaning
Plot-	Splits the screen into the plot and a
Detail	close-up.
Plot-Table	Splits the screen into the plot and
	the data table.
Overlay	Plots the current expression(s)
Plot	without erasing any pre-existing
	plot(s).

Aplets and their views 2-13