77
Chapter 4: Graphing Features
B FACTOR
Use this menu to set the vertical and horizontal zooming factor. The factor set
under this menu directly affects the zoom rate of the
3 In and 4 Out sub-menu
tools under the ZOOM menu, as described above.
To set the zooming factor, do the following:
1. Within the
B FACTOR menu, press
E
to activate the setup
tool.
2. When the “Zoom factor”
window appears, the cursor is automatically placed at “X_
Fact=”. The default zoom factor is 4; enter the required value
here.
3. Pressing
E
after entering a value will switch the cursor
position to “Y_Fact=”. Enter the required zooming factor, and
press
E
.
4. To go back to the ZOOM menu, press the
Z
key.
C POWER
1
x
2
Use this zooming tool when the equation contains a form of “
x
2
”.
2
x
–1
Use this zooming tool when the equation contains a form of “
x
-
1
”.
3
x
Use this tool to zoom correctly when the equation contains a form
of “
x
”.
D EXP
1 10
X
Use this tool when the equation contains a form of “
10
x
”.
2
e
x
Use this tool when the equation contains a form of “
e
x
”.
3 log X Use this tool when the equation contains a form of “
log x
”.
4 In X Use this tool when the equation contains a form of “
In x
”.
E TRIG
1 sin X Use this when the equation contains a sine function.
Содержание el-9950
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