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94
Chapter 6: Graph Tools
In the example, the function
2
N4x
is graphed.
y(x)=x^3+.3x
When you select a
ZOOM
feature, Smart Graph
displays the current graph.
To cancel a zoom before you
complete it, press :.
Check
xFact
and
yFact
Select
ZIN
from the
GRAPH ZOOM
display the zoom cursor.
Move the zoom cursor to the intended new
center point of the graph screen.
Zoom in. The TI-86 adjusts the graph screen by
xFact
and
yFact
, updates window variable
values, and replots the selected functions
centered on the cursor location.
You can continue to zoom in (or zoom out) on the current graph, unless you press a key
other than b, ", #, !, or $.
To zoom in (or zoom out) again at the same point, press b.
To zoom in (or zoom out) at a new center point, move the cursor and press b.
To zoom out only on the horizontal axis by a factor of
step 2 above.
plots the selected functions centered on the cursor location and
ZOOMX
updates some window variable values;
To zoom out only on the vertical axis by a factor of
step 2 above.
plots the selected functions centered on the cursor location and
ZOOMY
updates some window variable values;
; change as needed.
menu to
and
yMin
and
xMin
6 (
/ /
'
( '
" # ! $
b
, select
xFact
ZOOMX
are unchanged.
yMax
, select
yFact
ZOOMY
are unchanged.
xMax
instead of
in
ZIN
instead of
in
ZIN
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