Texas Instruments -84 Plus, Руководство пользователя

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Chapter 10: Matrices 226
Editing a Matrix Element
Editing a Matrix Element Editing a Matrix Element
Editing a Matrix Element
In editing context, an edit cursor is active on the bottom line. To edit a matrix element
value, follow these steps.
1. Select the matrix from the
MATRX EDIT
menu, and then enter or accept the
dimensions.
2. Press
|
,
}
,
~
, and
†
to move the cursor to the matrix element you want to
change.
3. Switch to editing context by pressing
Í
,
‘
, or an entry key.
4. Change the value of the matrix element using the editing-context keys described
below. You may enter an expression, which is evaluated when you leave editing
context.
Note:
You can press
‘ Í
to restore the value at the rectangular cursor if you
make a mistake.
Í
Switches to editing context; activates the edit cursor on the bottom
line
‘
Switches to editing context; clears the value on the bottom line
Any entry character Switches to editing context; clears the value on the bottom line;
copies the character to the bottom line
y 6
Nothing
{
Nothing
Key Function