Chapter 3: Function Graphing 124
ZPrevious
ZPreviousZPrevious
ZPrevious
ZPrevious replots the graph using the window variables of the graph that was displayed
before you executed the last ZOOM instruction.
ZoomSto
ZoomStoZoomSto
ZoomSto
ZoomSto immediately stores the current viewing window. The graph is displayed, and the
values of the current window variables are stored in the user-defined
ZOOM variables
ZXmin, ZXmax, ZXscl, ZYmin, ZYmax, ZYscl, and ZXres.
These variables apply to all graphing modes. For example, changing the value of
ZXmin
in Func mode also changes it in Par mode.
ZoomRcl
ZoomRclZoomRcl
ZoomRcl
ZoomRcl graphs the selected functions in a user-defined viewing window. The user-
defined viewing window is determined by the values stored with the
ZoomSto instruction.
The window variables are updated with the user-defined values, and the graph is plotted.
ZOOM FACTORS
ZOOM FACTORSZOOM FACTORS
ZOOM FACTORS
The zoom factors,
XFact and YFact, are positive numbers (not necessarily integers)
greater than or equal to 1. They define the magnification or reduction factor used to
Zoom In or Zoom Out around a point.
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