Texas Instruments TI-89 사용자 설명서
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216
b) Press
…
1
to select the
d
(differentiate) function.
Note:
You can also reuse an expression by creating a user-defined function.
3. Paste the copied information into a different application.
Note:
By copying and pasting, you can easily transfer information from one
application to another.
c) Press:
@
8 7
to paste the copied expression.
d) Complete the new entry, and press
¸.
a) Press
8 # to display the Y= Editor.
b) Press
¸ to define
y1(x)
.
c) Press:
@
8 7
to paste.
d) Press
¸ to save the new
definition.