Matrix Answer Memory; Assigning And Editing Matrix Variable Data - Casio fx-991ZA PLUS II User Manual

Note: "MatAns" stands for "Matrix Answer Memory". See "Matrix Answer
Memory" for more information.
7. Perform the next calculation (MatA+MatB):
(MATRIX)

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:
, , ,
MatAns 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:
(STO). Pol, Rec, ÷R, and multi-statements also cannot be input with the
Matrix Editor.
To assign new data to a matrix variable:
1. Press (MATRIX)
appears, select the matrix variable to which you want to assign data.
2. On the next menu that appears, select dimension (m×n).
3. Use the Matrix Editor that appears to input the elements of the matrix.
(MatA)
(MATRIX) (MatAns).
3
, (x ). The calculation screen will show the
(Dim), and then, on the menu that
66
(2) "Ans" stands for "MatAns".
(MATRIX) (MatB)
,
.
, ,
(M-),