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The
@ROW@
key will add a row full of zeros at the location of the
selected cell of the spreadsheet.
The @ROW key will delete the row corresponding to the selected cell of
the spreadsheet.
The @COL@ key will add a column full of zeros at the location of the
selected cell of the spreadsheet.
The @COL@ key will delete the column corresponding to the selected
cell of the spreadsheet.
The
@→STK@@
key will place the contents of the selected cell on the stack.
The @GOTO@ 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 L once more produces the last menu, which contains only one
function @@DEL@ (delete).
The function
@@DEL@
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
„²
. Make sure the @VEC
and
@GO
→
keys are selected.
(2) Enter the following:
1`2`3`
L @GOTO@ 2@@OK@@ 1 @@OK@@ @@OK@@
4`5`6`
7`8`9`