User's Manual
Table Of Contents
- Quick-Start
- Precautions when Using this Product
- Contents
- Getting Acquainted— Read This First!
- Chapter 1 Basic Operation
- Chapter 2 Manual Calculations
- Chapter 3 List Function
- Chapter 4 Equation Calculations
- Chapter 5 Graphing
- 5-1 Sample Graphs
- 5-2 Controlling What Appears on a Graph Screen
- 5-3 Drawing a Graph
- 5-4 Storing a Graph in Picture Memory
- 5-5 Drawing Two Graphs on the Same Screen
- 5-6 Manual Graphing
- 5-7 Using Tables
- 5-8 Dynamic Graphing
- 5-9 Graphing a Recursion Formula
- 5-10 Changing the Appearance of a Graph
- 5-11 Function Analysis
- Chapter 6 Statistical Graphs and Calculations
- Chapter 7 Financial Calculation (TVM)
- Chapter 8 Programming
- Chapter 9 Spreadsheet
- Chapter 10 eActivity
- Chapter 11 System Settings Menu
- Chapter 12 Data Communications
- Appendix

20070201
u Matrix Arithmetic Operations [OPTN] - [MAT] - [Mat]/[Iden]
Example 1 To add the following two matrices (Matrix A + Matrix B) :
A K 2 (MAT)1 (Mat)av (A)+
1 (Mat)al (B)w
Example 2 Calculate the product to the following matrix using a multiplier value
of 5 :
Matrix A =
1 2
3 4
A f K 2 (MAT)1 (Mat)
av (A)w
Example 3 To multiply the two matrices in Example 1 (Matrix A × Matrix B)
A K 2 (MAT)1 (Mat)av (A)*
1 (Mat)al (B)w
Example 4 To multiply Matrix A (from Example 1) by a 2 × 2 identity matrix
A K 2 (MAT)1 (Mat)av (A)*
6 (g )1 (Iden)c w
Number of rows and columns
A =
1
1
2 1
2 3
2 1
B =
A =
1
1
2 1
2 3
2 1
B =
# The two matrices must have the same
dimensions in order to be added or
subtracted. An error occurs if you try
to add or subtract matrices of different
dimensions.
# For multiplication (Matrix 1 × Matrix 2), the
number of columns in Matrix 1 must match
the number of rows in Matrix 2. Otherwise,
an error occurs.
2-8-17
Matrix Calculations
# When performing matrix arithmetic operations,
inputting the Identity command at the location
of a matrix command (such as Mat A) makes it
possible to perform identity matrix calculations.