Solution 11827: Calculating the Determinant of a Matrix Using the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
How do I calcuate the determinant of a matrix using the TI-89 family, TI-92 family and Voyage™ 200 graphing calculators?
The instructions below will show users how to find the determinant of a matrix using the TI-89 Titanium, TI-92 family and Voyage™ 200.
Example: What is the determinate of matrix b?
Enter the matrix in the Data/Matrix Editor.
1) Press [APPS]   (If Apps Desktop is on, press [APPS], select Data/Matrix Editor, and press ).
2) The Type: will be Matrix, input b for the Variable: and the dimensions are both 3.
3) Press [ENTER] twice.
4) Input the values that are above in the data matrix editor.
Go to the home screen and input det(b). Press [ENTER] for the solution.
Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information.