Operation Manual

Chapter 10: Matrices 150
Select the matrix from the MATRX EDIT menu, and then enter or accept the dimensions.
Using Viewing-Context Keys
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 by using shortcut menus t ^-a and 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 cursor if you make a mistake.
5. Press Í, }, or to move to another element.
Key Function
| or ~ Moves the cursor within the current row
or } Moves the cursor within the current column; on the top row, }
moves the cursor to the column dimension; on the column
dimension, } moves the cursor to the row dimension
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