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The key will add a row full of zeros at the location of the
selected cell of the spreadsheet.
The
key will delete the row corresponding to the selected cell of
the spreadsheet.
The
key will add a column full of zeros at the location of the
selected cell of the spreadsheet.
The
key will delete the column corresponding to the selected
cell of the spreadsheet.
The
→ key will place the contents of the selected cell on the
stack.
The
key, when pressed, will request that the user indicate the
number of the row and column where he or she wants to position the
cursor.
Pressing
once more produces the last menu, which contains only one
function
(delete).
The function
will delete the contents of the selected cell and
replace it with a zero.
To see these keys in action try the following exercise:
(1) Activate the matrix writer by using
. Make sure the and
→ keys are selected.
(2) Enter the following: