Casio fx-991MS Calculator User Manual


 
E-19
Use the
F key to enter the VCT Mode when you want
to perform vector calculations.
VCT .....................................................
F F F 3
Note that you must create one or more vector before you
can perform vector calculations.
•You can have up to three vectors, named A, B, and C, in
memory at one time.
•The results of vector calculations are stored automatically
into VctAns memory. You can use the matrix in VctAns
memory in subsequent vector calculations.
kCreating a Vector
To create a vector, press A
z
1
(Dim), specify a vec-
tor name (A, B, or C), and then specify the dimensions of
the vector. Next, follow the prompts that appear input val-
ues that make up the elements of the vector.
0.
Vc tA1
Vector name Dimensions of vector
Element value
Arrow indicates
direction you should
scroll to view other
elements.
You can use the e and r keys to move about the vec-
tor in order to view or edit its elements.
To exit the vector screen, press
t.
kEditing Vector Elements
Press A
z
2(Edit) and then specify the name (A, B,
C) of the vector you want to edit to display a screen for
editing the elements of the vector.
kAdding and Subtracting Vectors
Use the procedures described below to add and subtract
vectors.