Vector Answer Memory
Whenever the result of a calculation executed in the Vector Mode is a
vector, the VctAns screen will appear with the result. The result also will be
assigned to a variable named “VctAns”.
The VctAns variable can be used in calculations as described below.
• To insert the VctAns variable into a calculation, perform the following key
operation: (VctAns).
• Pressing any one of the following keys while the VctAns screen is
displayed will switch automatically to the calculation screen: , ,
, .
Assigning and Editing Vector Variable Data
To assign new data to a vector variable
1. Press (Define Vector), and then, on the menu that appears,
select the vector variable to which you want to assign data.
2. On the dialog box that appears, press or to specify the vector
dimension.
3. Use the Vector Editor that appears to input the elements of the vector.
To edit the elements of a vector variable
Press (Edit Vector), and then, on the menu that appears, select the
vector variable you want to edit.
To copy vector variable (or VctAns) contents
1. Use the Vector Editor to display the vector you want to copy.
• If you want to copy VctAns contents, perform the following to display
the VctAns screen: (VctAns).
2. Press , and then perform one of the following key operations to
specify the copy destination: (VctA), (VctB), (VctC), or
(VctD).
• This will display the Vector Editor with the contents of the copy
destination.
Vector Calculation Examples
The examples below use VctA = (1, 2) and VctB = (3, 4), and VctC = (2, -1,
2).
VctA • VctB (Vector dot product)
VctA (Dot Product) VctB
VctA × VctB (Vector cross product)
VctA VctB
To obtain the absolute values of VctC (Abs(VctC))
(Abs) VctC
To determine the angle formed by VctA and VctB (Angle(VctA,VctB)) to
three decimal places (Fix 3). (Angle Unit: Degree)
(SETUP)(Number Format)(Fix)
(Angle) VctA (,)
VctB
To normalize VctB (UnitV(VctB))
(Unit Vector) VctB
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