Casio fx-570ES PLUS User Manual page 31

1. Press
2. Press (MatA)
• This will display the Matrix Editor for input
of the elements of the 2
specified for MatA.
3. Input the elements of MatA: 2
4. Perform the following key operation:
(MatB)
• This will display the Matrix Editor for input of the elements of the 2
matrix you specified for MatB.
5. Input the elements of MatB: 2
6. Press to advance to the calculation screen, and perform the first
calculation (MatA MatB):
(MatB)
• This will display the MatAns screen with the calculation results.
MAT MAT
Note: "MatAns" stands for "Matrix Answer Memory". See "Matrix Answer
Memory" for more information.
7. Perform the next calculation (MatA+MatB):
(MatA)
MAT MAT
Matrix Answer Memory
Whenever the result of a calculation executed in the MATRIX Mode is a
matrix, the MatAns screen will appear with the result. The result also will be
assigned to a variable named "MatAns".
The MatAns variable can be used in calculations as described below.
• To insert the MatAns variable into a calculation, perform the following
key operation:
• Pressing any one of the following keys while the MatAns screen is
displayed will switch automatically to the calculation screen:
, ,
variable followed by the operator or function for the key you pressed.
Assigning and Editing Matrix Variable Data
Important: The following operations are not supported by the Matrix Editor:
, (M–),
be input with the Matrix Editor.
To assign new data to a matrix variable:
1. Press
select the matrix variable to which you want to assign data.
2. On the next menu that appears, select dimension (
(MATRIX) to enter the MATRIX Mode.
(2 2).
2 matrix you
(2 2).
.
(MATRIX)
(MATRIX)
x
3
, ( ). The calculation screen will show the MatAns
(STO). Pol, Rec, and multi-statements also cannot
(MATRIX) (Dim), and then, on the menu that appears,
1 1 1
1 1
(MATRIX) (MatA)
MAT MAT
(MatB) .
MAT MAT
(MatAns).
E-30
MAT MAT
"A" stands for "MatA".
.
(MATRIX)
2 .
"Ans" stands for
"MatAns".
(MATRIX)
m n
).
(Data)
2
(MATRIX)
, , ,