Multiply Matrices Guidance for Casio ClassPad

Given $A = [\begin{matrix} 2 & 1 \\ 3 & 4 \end{matrix}]$ and $B = [\begin{matrix} 2 & 4 \\ 1 & 3 \end{matrix}]$ .

What is $A \times B =$ ?

Step 1

Select the Calculate tool in ClassPad.

Press the MATH key and 2 to select the matrix needed.

In this case, the example problem calls for a $2 \times 2$ matrix.

Enter the matrix values in the boxes. Use the $\times$ key and then repeat adding another matrix.

The answer will appear when you press EXECUTE.