Zooming In And Out On A Point; Changing Zoom Factors - Texas Instruments TITANIUM TI-89 User Manual

Zooming In and Out on a Point

Zooming In and Out on a Point Zooming In and Out on a Point Zooming In and Out on a Point
1. From the „
Zoom
or .
3:ZoomOut
A cursor appears, and the screen
prompts for
New Center?
2. Move the cursor to the point where you
want to zoom in or out, and then press
¸.
The TI-89 Titanium adjusts the Window
variables by the
.
SetFactors
• For a
ZoomIn
divided by
new
xmin = xmin/xFact
• For a
ZoomOut
multiplied by
new
xmin = xmin

Changing Zoom Factors

Changing Zoom Factors
Changing Zoom Factors Changing Zoom Factors
The Zoom factors define the magnification and reduction used by
Basic Function Graphing
menu, select
2:ZoomIn
factors defined in
Zoom
, the x variables are divided by
.
yFact
, etc.
, the x variables are multiplied by
.
yFact
ù
, etc.
xFact
, and the y variables are
xFact
, and the y variables are
xFact
ZoomIn
and .
ZoomOut
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