HP Prime Graphing Calculator - Manual (Page 476)

470 Matrices
Example 1. Select the first matrix:
St (Matrix)
Tap M1 or highlight it and press E .
2. Enter the matrix
elements:
1 E 2
E 3 E
4 E
3. Select the second
matrix:
St (Matrix)
Tap M2 or highlight it and press E .
4. Enter the matrix
elements:
5
E 6
E 7 E
8 E
5. In Home view, add
the two matrices you
have just created.
HA Q 1 +
A Q 2 E
To multiply and
divide by a scalar
For division by a scalar, enter the matrix first, then the
operator, then the scalar. For multiplication, the order of
the operands does not matter.
The matrix and the scalar
can be real or complex.
For example, to divide
the result of the previous
example by 2, press the
following keys:
n 2 E