Entering arrays – HP 48g Graphing Calculator User Manual
Page 102
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Entering Arrays
The MatrixWriter application provides a special environment for
entering, viewing, and editing arrays. You can access the Matrix
Writer by selecting it from the stack or from any field in an input form
that accepts array objects.
The MatrixWriter display shows array elements in individual cells
arranged in rows and columns.
Columns
Matrix size
Cell
coordinate
Cell Cursor
To enter a matrix using the MatrixWriter application:
1. Press
|r»liMATRIX).
2. Key in the numbers in the first row, and press
(ENTER)
after each.
3. Press (▼ ) to mark the end of the first row.
4. Key in the numbers in the rest of the matrix, and press
(ENTER)
after each. Notice that when you enter the last number in the row,
the cursor automatically moves to the beginning of the next row.
5. After you’ve entered all the numbers in the matrix, press
(ENTER)
to put the matrix on the stack.
Example:
Enter this matrix:
' 2
-2
(T
1
0
3
.-3
5
1_
8-2 The MatrixWriter