62
Graphing
Chapter 4
k
k
k
k
k
Zoom
The zoom feature lets you enlarge and reduce a graph on the display.
u
u
u
u
u
Before using zoom
Immediately after drawing a graph, press
!2
(ZOOM) to display the Zoom Menu.
!2
(ZOOM)
1
(BOX) ....... Graph enlargement using box zoom
2
(FACT) ..... Displays screen for specification of zoom factors
3
(IN) ........... Enlarges graph using zoom factors
4
(OUT) ....... Reduces graph using zoom factors
[
1
(ORIG) ..... Original size
Press
[
to return to the previous menu
u
u
u
u
u
To use box zoom
With box zoom, you draw a box on the display to specify a portion of the graph, and
then enlarge the contents of the box.
Example
To use box zoom to enlarge a portion of the graph
y
= (
x
+ 5)
(
x
+ 4) (
x
+ 3)
Use the following View Window parameters.
Xmin
= –8
Ymin
= –4
Xmax = 8
Ymax = 2
Xscl
= 2
Yscl
= 1
1. After graphing the function, press
!2
(ZOOM).
!2
(ZOOM)
1
2
3
4
[
1
2
3
4
[
1
2
3
4
Содержание fx-7400G
Страница 46: ...Differential Calculations Chapter 3 ...
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Страница 165: ...162 Program for Circle and Tangents No 4 Step Key Operation Display 6 7 8 9 10 ...
Страница 166: ...163 11 12 13 14 15 Program for Circle and Tangents No 4 Step Key Operation Display ...
Страница 167: ...164 16 17 18 Program for Circle and Tangents No 4 Step Key Operation Display ...
Страница 170: ...167 1 2 3 4 5 Program for Rotating a Figure No 5 Step Key Operation Display ...