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 Deleting Matrices
You can delete either a specifi c matrix or all matrices in memory.
u To delete a specifi c matrix
1. While the Matrix Editor is on the display, use f and c to highlight the matrix you
want to delete.
2. Press 1 (DEL).
3. Press 1 (Yes) to delete the matrix or 6 (No) to abort the operation without deleting
anything.
u To delete all matrices
1. While the Matrix Editor is on the display, press 2 (DEL·A).
2. Press 1 (Yes) to delete all matrices in memory or 6 (No) to abort the operation
without deleting anything.
2-8-4
Matrix Calculations
# The indicator “None” replaces the
dimensions of the matrix you delete.
# Inputting the format or changing the dimensions
of a matrix deletes its current contents.