Casio FX-CG20 - Matrices in a Natural Display

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Matrices in a Natural Display
The input mode, “ Natural Display” provides a simple method for
calculations with matrices.
Entering Matrices
Access the Matrix template with:
[
F4
] (
MATH
) [
F1
] (
MAT
)
.
Selection of rows-
(
m
)
and number of columns
(
n
)
with
[
F1
]
to
[
F3
]
and input the matrix entries using the Cursors.
The matirx can use the assignment arrow of a matrix variable,
e.g. Mat A, is assigned.
Edit the Matrix Entries
The matrix of the variables are assigned, and will be stored in the
matrix editor and can be edited.
[
F3
] (
> MAT
)
, Select Matrix,
[
EXE
]
Calculations with Matrices in the Natural Display
Enter a command and the matrix or matrix variable.
Rref-command for Diagonalisation of Matrices
Call the Rref- command:
[
OPTN
] [
F2
] (
MAT
) [
F6
] (
>
) [
F5
] (
Rref
)
Matrices in Natural Display
• Inputing a Matrix:
[
F4
] [
F1
]
• Storing variables in a Matrix: Matrix --> Mat Variable
• Calculator commands before the Matrix / Matrix variable
has been entered.