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19990401
5-3-3
Drawing a Graph
kk
kk
k Editing and Deleting Functions
u To edit a function in memory
○○○○○
Example To change the expression in memory area Y1 from y = 2x
2
– 5 to
y = 2x
2
– 3
e (Displays cursor.)
eeeeDd(Changes contents.)
w(Stores new graph function.)
u To change the type of a function *
1
1. While the Graph function list is on the display, press f or c to move the highlighting
to the area that contains the function whose type you want to change.
2. Press 3(TYPE)g(CONV).
3. Select the function type you to change to.
○○○○○
Example To change the function in memory area Y1 from y = 2x
2
– 3 to
y < 2x
2
– 3
3(TYPE)g(CONV)d(
''
''
'Y<) (Changes the function type to “Y<”.)
u To delete a function
1. While the Graph function list is on the display, press f or c to move the highlighting
to the area that contains the function you want to delete.
2. Press 2(DEL) or D.
3. Press w(Yes) to delete the function for i(No) to abort the procedure without
deleting anything.
*
1
The function type can be changed for
rectangular coordinate functions and
inequalities only.
#Parametric functions come in pairs (Xt and Yt).
When editing a parametric function, clear the graph
functions and re-input from the beginning.
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