60
Chapter 4: Graphing Features
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 zooming tool 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.
2 cos X
Use this when the equation contains a cosine function.
3 tan X
Use this when the equation contains a tangent func-
tion.
4 sin
–1
X
Use this when the equation contains an arc sine
function.
5 cos
–1
X
Use this when the equation contains an arc cosine
function.