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TI-83 Plus Function Graphing 145
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
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.
Checking XFact and YFact
To display the
ZOOM FACTORS
screen, where you can review the current
values for
XFact
and
YFact
, select
4:SetFactors
from the
ZOOM MEMORY
menu. The values shown are the defaults.