Casio FX-7400G User Manual page 57

k k k k k Editing Functions in Memory
u u u u u To edit a function in memory
Example To change the expression in memory area Y1 from
y
to = 2
e
(Displays cursor.)
eeeed
(Changes contents.)
w
(Stores new graph function.)
u u u u u To delete a function
1. While the Graph Function Menu is on the display, press f or c to display the
cursor and move the highlighting to the area that contains the function you want
to delete.
2. Press 2 (DEL).
3. Press 1 (YES) to delete the function for 4 (NO) to abort the procedure with-
out deleting anything.
k k k k k Drawing a Graph
Before actually drawing a graph, you should first make the draw/non-draw status.
u u u u u To specify the draw/non-draw status of a graph
You can specify which functions out of those stored in memory should be used for a
draw operation.
• Graphs for which there is no draw/non-draw status specification are not drawn.
Example To select the following functions for drawing:
y
Y1 :
t x
X 2:
t y
Y 2 :
x
2 – 3
x 2
= 2 – 5
= 3 sin T
= 3 cos T
Graphing Chapter 4
1 2
y x
= 2 2 – 5
3 4
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