HP 49g+ User Manual page 113

The key will add a row full of zeros at the location of the
@ + R O W @
selected cell of the spreadsheet.
The key will delete the row corresponding to the selected cell of
@ - R O W
the spreadsheet.
The key will add a column full of zeros at the location of the
@ + C O L @
selected cell of the spreadsheet.
The key will delete the column corresponding to the selected
@ - C O L @
cell of the spreadsheet.
The key will place the contents of the selected cell on the
@
S T K @ @
stack.
The key, when pressed, will request that the user indicate the
@ G O T O @
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
L
function (delete).
@ @ D E L @
The function
@ @ D E L @
replace it with a zero.
To see these keys in action try the following exercise:
(1) Activate the matrix writer by using
keys are selected.
@ G O
(2) Enter the following:
will delete the contents of the selected cell and
„ ²
1 ` 2 ` 3 `
L 2 1
@ G O T O @ @ @ O K @ @
4 ` 5 ` 6 `
7 ` 8 ` 9 `
. Make sure the
@ V E C
@ @ O K @ @ @ @ O K @ @
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and