fx-991EX Quick Start Guide
14
Enter the matrix values by pressing
3pz6p8p2p
.
To perform matrix calculations, like addition, subtraction, and
multiplication, follow these simple commands.
To recall the name of a matrix, press
i
.
To add A + B, press
3
(MatA)
+
i
4
(MatB)
p
.
The solution matrix is displayed in the window and can be viewed
without scrolling.
To calculate the determinant of the matrix, press
i
R2
(Determinant)
i
3
(MatA)
)p
.
Matrices can be used to solve a system of equations.
Take the following equation with 3 unknowns:
Enter the coefficient matrix as Matrix A and the solution matrix as Matrix B.
MATRIX