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20070201
k Editing and Deleting Functions
u To edit a function in memory
Example To change the expression in memory area Y1 from y = 2 x
2
– 5 to
y = 2 x
2
– 3
e (Displays cursor.)
eeeee D d (Changes contents.)
w (Stores new graph function.)
u To change the line style of a graph function
1. On the Graph relation list screen, use f and c to highlight the relation whose line
style you want to change.
2. Press 4 (STYL).
3. Select the line style.
Example To change the line style of y = 2 x
2
– 3, which is stored in area Y1, to
“Broken”.
4 (STYL)3 ( ) (Selects “Broken”.)
…
→
…
→
5-3-6
Drawing a Graph