10-6 Matrices
8310MTRX.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:35 PM Printed: 02/19/01 1:36
PM Page 6 of 16
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.
5. Press Í, }, or † to move to another element.
Key Function
| or ~Moves the edit cursor within the value.
† or }Stores the value displayed on the bottom
line to the matrix element; switches to
v
iewin
g
context and moves the rectan
g
ular
cursor within the column.
ÍStores the value displayed on the bottom
line to the matrix element; switches to
v
iewin
g
context and moves the rectan
g
ular
cursor to the next row element.
‘Clears the value on the bottom line.
A
ny entry
character
Copies the character to the location of the
edit cursor on the bottom line.
y [INS] Activates the insert cursor.
{Deletes the character under the edit cursor
on the bottom line.
Editing a Matrix
Element
Editing-Context
Keys