Texas Instruments TI-89 사용자 설명서
Tables
463
If Results are Complex Numbers
If Results are Complex Numbers
If Results are Complex Numbers
If Results are Complex Numbers
A cell shows as much as possible of a complex number (according to the current display
modes) and then shows “...” at the end of the displayed portion.
modes) and then shows “...” at the end of the displayed portion.
When you highlight a cell containing a complex number, the entry line shows the real
and imaginary parts with a maximum of four digits each (FLOAT 4).
and imaginary parts with a maximum of four digits each (FLOAT 4).
Editing a Selected Function
Editing a Selected Function
Editing a Selected Function
Editing a Selected Function
From a table, you can change a selected function without having to use the Y= Editor.
1. Move the cursor to any cell in the column for that function. The table’s header row
shows the function names (
y1,
etc.).
2. Press
† to move the cursor to the entry line, where the function is displayed and
highlighted.
Note:
You can use this feature to view a function without leaving the table.
3. Make any changes, as necessary.
•
Type the new function. The old function is erased when you begin typing.
— or —
•
Press
M to clear the old function. Then type the new one.
— or —
•
Press
A or B to remove the highlighting. Then edit the function.
Note:
To cancel any changes and return the cursor to the table, press
N instead of
¸.