Calculator Activity
MATRIX CALCULATIONS
OBJECTIVE: To perform calculations, take inverses, augment, and calculate the determinant of matrices.
To set your calculator to Matrix mode press 
.
For the following examples there will be two matrices: A and B
A | 1 | 2 | and B | 5 | 6 | . |
| 3 | 4 |
| 7 | 8 |
|
To enter matrix A press 
. Then press
. Then press 
.
To enter matrix B press 
. Then press
. Then press 
.
Now matrix A and B are stored.
1. Evaluate AxB
STEP 1: To enter A x Press 
.
STEP 2: To enter B press 
.
STEP 3: To solve press 
.
2. What is the inverse of A?
STEP 1: To enter A press 
.
STEP 2: To take the inverse press 
.
STEP 3: To solve press 
.
3. Augment A with B.
STEP 1: To augment press 
.
STEP 2: To enter A press 
.
STEP 3: To enter B press 
.
STEP 4: Press 
to see the augmented matrix.
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