When viewing a graph, press F2 to view the ZOOM menu. Then press the number associated with an option. Alternatively, highlight an option and press EXE.
1:Box defines a viewing window by selecting the corners of viewing box.
2:Factor sets the horizontal and vertical zoom factors for zooming in or out.
3:In zooms in using the factors set in 2:Factor. The default zoom factors are 2 in each direction.
4:Out in using the factors set in 2:Factor.
5:Auto automatically adjusts the y-axis settings to fit the given x-axis settings in the view window.
6:Orig returns the graph to its original size following a zoom operation.
7:Square sets the view window settings so that the axes are displayed with the same scale. Use this setting to get a true to scale graph.
8:Rnd rounds the coordinate values at the cursor location.
9:Intg adjusts the graph to result in integer coordinate values.
A:Pre resets the window to the settings previous to the last zoom operation.
B:QUICK brings up a submenu for plotting specific functions or obtaining the standard window.
1:Init resets the view window settings to their initial values.2:Trig sets the horizontal tic marks at intervals of p/2 for viewing trigonometric functions.3:Log X sets a convenient window for viewing y = ln(x) or y = log(x).4:e^X sets a convenient window for viewing y = e x.5:X2 sets a convenient window for viewing y = x 2.6:-X2 sets a convenient window for viewing y = -x 2.7:Std yields the standard viewing window.