Casio FX-7400GII - SOFTWARE VERSION 2-00 User Manual page 114

The above three screens are produced using the Trace function.
See "Function Analysis" (page 5-29) for more information.
Editing and Deleting Functions
To edit a function in memory
Example To change the expression in memory area Y1 from
y
= 2
To change the line style of a graph function
1. On the Graph relation list screen, use
you want to change.
2. Press (STYL).
3. Select the line style.
Example To change the line style of
"Broken"
To change the type of a function *
1. While the Graph relation list is on the display, press
the area that contains the function whose type you want to change.
2. Press (TYPE)
3. Select the function type you want to change to.
Example To change the function in memory area Y1 from
y
< 2
* 1 The function type can be changed for rectangular coordinate functions and inequalities only.
To delete a function
1. While the Graph relation list is on the display, press
the area that contains the function you want to delete.
2. Press (DEL) or
x
2 – 3
(Displays cursor.)
(Changes contents.)
(Stores new graph function.)
(STYL) ( ) (Selects "Broken".)
(CONV).
x
2 – 3
(TYPE) (CONV)
.
and to highlight the relation whose line style
y x
2
= 2 – 3, which is stored in area Y1, to
1
or
( Y<) (Changes the function type to "Y<".)
or
5-8
y x
= 2 2 – 5 to
to move the highlighting to
y x
= 2 2 – 3 to
to move the highlighting to