Casio FX-CG10, Руководство пользователя

Страница: 178 / 608

5-37
k
Modify Function Operations
u
To modify a graph in the Graph mode
1. From the Main Menu, enter the Graph mode.
2. On the Setup screen, change the “Dual Screen” setting to “Off”.
3. Configure V-Window settings.
4. Specify the function type and enter a function that contains variables.
• In addition to manual input, you also can input expression containing variables using the
built-in function type list that appears when you press
4
(TOOL)
3
(BUILT-IN). The
content of the built-in function type list is the same as that in the Dyna Graph mode (page
5-40).
5. Press
5
(MODIFY) to execute the Modify function.
• This will draw the graph function you entered in step 4.
6. Use
f
and
c
to select Step (which will change its color to magenta) and then use the
number keys to enter a step value.
7. Use f and c to select the variable you want to modify.
8. Use
d
and
e
to change the selected variable value by the unit specified by the step
setting.
• You also can enter the variable value directly.
9. To exit the Modify operation, press
J
.
Example To register the graph expression
y
=
x
2 − A
x
(A initial value = 0) and
specify a step of 0.5, and then observe changes in the graph as the
value of A changes from 0.5 to 2. Next, enter a value of −2 for the value
of A and observe how the graph changes. Use initialized (INITIAL) V-
Window settings.
1
m
Graph
2
!m
(SET UP)
cccc
3
(Off)
J
3
!3
(V-WIN)
1
(INITIAL)
J
4
3
(TYPE)
1
(Y=)
vx
-
av
(A)
vw
5
5
(MODIFY)
6
c
a.f
w
7
f
8 eeee