Texas Instruments TI-89 Manual Book page 41

Scrolling through
the History Area
Note: For an example of
viewing a long answer, refer
to page 28.
History Information
on the Status Line
Modifying the
History Area
24 Chapter 2: Operating the Calculator
Normally, the cursor is in the entry line. However, you can move the
cursor into the history area.
To:
View entries or answers
that have scrolled off
the screen
Go to the oldest or newest
history pair
View an entry or answer
that is too long for one
line (ú is at end of line)
Return the cursor to the
entry line
Use the history indicator on the status line for information about the
entry/answer pairs. For example:
Total number of
If the cursor
pairs that are
is on the
currently saved.
entry line:
Pair number of
If the cursor
the highlighted
is in the
entry or answer.
history area:
By default, the last 30 entry/answer pairs are saved. If the history
area is full when you make a new entry (indicated by
entry/answer pair is saved and the oldest pair is deleted. The history
indicator does not change.
To:
Change the number of
pairs that can be saved
Clear the history area
and delete all saved pairs
Delete a particular
entry/answer pair
Do this:
1. From the entry line, press C to
highlight the last answer.
2. Continue using C to move the
cursor from answer to entry, up
through the history area.
If the cursor is in the history area, press
¥ C or ¥ D, respectively.
Move the cursor to the entry or answer.
Use A and B to scroll left and right (or
2 A and 2 B to go to the beginning
or end), respectively.
Press N, or press D until the cursor is
back on the entry line.
8/30
Do this:
Press ƒ and select
9:Format
¥ Í
TI.89: TI.92 Plus:
press B, use C or D to highlight the
new number, and press ¸ twice.
Press ƒ and select
8:Clear Home
enter on the entry line.
ClrHome
Move the cursor to either the entry or
answer. Press 0 or M.
Maximum number
of pairs that can
be saved.
Total number of
pairs that are
currently saved.
), the new
30/30
, or press
¥
. Then
F
, or