Texas Instruments TI-89 Manual Book page 368

Steps
5. Highlight the f function variable,
and view its contents.
Notice that the function was assigned
using f(x) but is listed as f on the
screen.
6. Close the Contents window.
7. With the variable still
f
highlighted, close
VAR-LINK
paste the variable name to the
entry line.
8. Complete the operation.
Archiving a variable:
9. Redisplay , and
VAR-LINK
highlight the variable you want
to archive.
The previous change in view is no
longer in effect. The screen lists all
defined variables.
10. Use the ƒ
toolbar menu
Manage
to archive the variable.
11. Return to the Home screen and
use the archived variable in a
calculation.
12. Attempt to store a different
value to the archived variable.
13. Cancel the error message.
³
TI-89
Keystrokes
D 2 ˆ D ˆ
N N
¸ ¸
and
2 d ¸ 2 d ¸
2 ° 2 °
(use D to (use D to
highlight x1) highlight x1)
ƒ 8 ƒ 8
" ¥ "
6 p X 1 ¸ 6 p X 1 ¸
1 0 § X 1 1 0 § X 1
¸ ¸
N N
Chapter 21: Memory and Variable Management
›
TI-92 Plus
Keystrokes
5ù f(
5ù f(2)
û indicates the
variable is archived.
Display
Notice that " ( " is
pasted.
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