Chapter 5: Function Graphing
77
05FUNC.DOC TI-86, Chap 5, US English Bob Fedorisko Revised: 02/13/01 2:22 PM Printed: 02/13/01 3:01 PM Page 77 of 14
x
Pastes the variable
x
to the current cursor location (same as 2 or - n
ã
X
ä
)
y
Pastes the variable
y
to the current cursor location (same as - n
ã
Y
ä
)
INSf
Inserts a deleted equation variable (function) name above the current cursor location
(only the variable name is inserted)
DELf
Deletes the function that the cursor is on
SELCT
Changes the selection status of the function that the cursor is on (selects or deselects)
ALL+
Selects all defined functions in the equation editor
ALL
N
Deselects all defined functions in the equation editor
STYLE
Assigns the next of seven available graph styles to the function that the cursor is on
Defining a Function in the Equation Editor
Display the equation editor.
If functions are stored in the equation editor,
move the cursor down until a blank function is
displayed.
6 &
( # or
b )
Enter an equation in terms of
x
to define the
function. When you enter the first character,
the function is selected automatically. (The
function’s equals sign is highlighted.)
Move the cursor to the next function.
4
= 2
b or #
To move from the first
equation editor function to
the last, press
$
.
To move to the beginning or
end of an equation, press
-
!
or
-
"
.
An ellipsis indicates that an
equation continues beyond
the screen.
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