Texas TI-86 用户手册

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

Pastes the variable 

 to the current cursor location (same as 2 or - n 

ã

X

ä )

Pastes the variable 

 to the current cursor location (same as - n 

ã

Y

ä )

Inserts a deleted equation variable (function) name above the current cursor location
(only the variable name is inserted)

Deletes the function that the cursor is on

Changes the selection status of the function that the cursor is on (selects or deselects)

Selects all defined functions in the equation editor

Deselects all defined functions in the equation editor

Assigns the next of seven available graph styles to the function that the cursor is on

�   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 

 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.

 = 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.