文档介绍：hp calculators
HP 50g Working with matrices
The MatrixWriter form
The Matrix.. part of the MTH (MATH) CHOOSE box
Practice solving problems involving matrices
hp calculators
HP 50g Working with matrices
The MatrixWriter form
The HP 50g contains a wonderful form built-in to facilitate the entry of matrices. This form is called the MatrixWriter, and it is the
ORANGE shifted function of the ³ key. To start the MatrixWriter, press !². The screen below is displayed to allow for the
entry of data into a matrix.
Figure 1
In many ways, this screen works like any spreadsheet. Enter numbers and they will go in the highlighted cell. The menu labels at the
lower left corner of the screen, !!!GO!! and !!GO°!, determine the direction the cursor moves after a data point has been entered, either
right to the next column or down to the next row. In this example, the selection is to move right after each data point has been
entered. This is indicated by the square present next to the !!!GO!! menu label. To change the way the cursor will move, press the
menu label for the direction desired and the square in the menu label will change accordingly. If a column is too small to show the
data entered, the !!!WID!! and !!±WID!!! menu keys may be used to expand or shrink the area displayed for each column.
Enter the fi