Working with matrices – HP 40gs User Manual
Page 318
18-4
Matrices
To transmit a
matrix
You can send matrices between calculators just as you
can send aplets, programs, lists, and notes.
1. Connect the calculators using an appropriate cable.
2. Open the Matrix catalogs on both calculators.
3. Highlight the matrix to send.
4. Press
and choose the method of sending.
5. Press
on the receiving calculator and choose
the method of receiving.
For more information on sending and receiving files, see
“Sending and receiving aplets” on page 22-4.
Working with matrices
To edit a matrix
In the Matrix catalog, highlight the name of the matrix
you want to edit and press
.
Matrix edit keys
The following table lists the matrix edit key operations.
Key
Meaning
Copies the highlighted element to
the edit line.
Inserts a row of zeros above, or a
column of zeros to the left, of the
highlighted cell. (You are prompted
to choose row or column.)
A three-way toggle for cursor
advancement in the Matrix editor.
advances to the right,
¸
advances downward, and
does not advance at all.
Switches between larger and
smaller font sizes.
Deletes the highlighted cells, row,
or column (you are prompted to
make a choice).
CLEAR
Clears all elements from the matrix.
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