Matrix Operations - Casio fx-570es User Manual

>>> Calculate the determinant and the inverse of
What To Do
First turn on the calculator and set calculator to "MATRIX" mode.
W w 6
Next choose to define MatA as a 2x2 matrix.
1 5
Enter all elements for MatA.
3 p z 5 p 4 p 7 p
Now we clear the screen and use the matrix operations to find the determinant for A.
C q 4 7
q 4 3 ) p
As determinant of A is not 0, the inverse exists and we can find the inverse of A.
q 4 3 u
p
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Casio FX-570ES One Page Exercise:

MATRIX OPERATIONS

 
3 − 5
A = if it exists.
 
 4 7 
The Screen Display
24