Texas Instruments TITANIUM TI-89 - Manual (Page 308)

Basic Function Graphing 308
Clearing a Function Clearing a Function Clearing a Function Clearing a Function
From the Y= Editor:
Note:
ƒ
8 does not erase any stat plots.
You don’t have to clear a function to prevent it from being graphed. You can select the
functions you want to graph.
Shortcuts to Move the Cursor Shortcuts to Move the Cursor Shortcuts to Move the Cursor Shortcuts to Move the Cursor
From the Y= Editor:
To erase: Do this:
A function from the function
list Highlight the function and press
0
or
M
.
A function from the entry line Press
M
once or twice (depending on
the cursor’s location) and then press
¸
.
All functions Press
ƒ
and then select 8:Clear
Functions. When prompted for
confirmation, press
¸
.
Press: To:
8 C
or
8 D
Go to function 1 or to the last defined function,
respectively. If the cursor is on or past the last
defined function,
8 D
goes to function 99.