Question 1078231
<pre>
On your TI-84 graphing calculator, press 
the following keys in this exact order: 


ON
CLEAR
2ND
x<sup>-1</sup>
&#9658;  (Right arrow key)
&#9658;  (Right arrow key)
1
3
&#9658;  (Right arrow key)
4
&#9658;  (Right arrow key)
&#9658;  (Right arrow key)
2                       <--upper left element of matrix
ENTER
(-)
1
ENTER
3
ENTER
24
ENTER
0
ENTER
2
ENTER
-1
ENTER
14
ENTER
7
ENTER
(-)
5
ENTER
0
ENTER
6                       <--lower right element of matrix            
ENTER       
2ND
MODE
2ND
x<sup>-1</sup>
&#9658;  (Right arrow key)
ALPHA
APPS
2ND
x<sup>-1</sup>
1
)
MATH
ENTER
ENTER

Edwin</pre>