Texas Instruments TINSPIRE

408 Calculator
Handheld: Press t.
2. Select .
The Create a Matrix dialog box displays.
3. Type the
Number of rows.
4. Type the Number of columns, and then select OK.
Calculator displays a template with spaces for the rows and columns.
Note: If you create a matrix with a large number of rows and
columns, it may take a few moments to appear.
5. Type the matrix values into the template, and press
· to define the
matrix.
Inserting a row or column into a matrix
` To insert a new row, hold down Alt and press Enter.
` To insert a new column, hold down
Shift and press Enter.
Handheld:
` To insert a new row, press
@.
` To insert a new column, press g·.
Inserting expressions using a wizard
You can use a wizard to simplify entering some expressions. The wizard
contains labeled boxes to help you enter the arguments in the
expression.
For example, suppose you want to fit a y=mx+b linear regression model
to the following two lists:
{1,2,3,4,5}
{5,8,11,14,17}