HP 49g Graphing Calculator - Manual (Page 47)

Summary oF Matrix Writer operations
Key Description
EDIT Places the contents of the ciuTent cell on the command line
for editing.
VEC For one-row arrays, toggles between vector entry and matrix
entry. If this command is selected, one-row arrays are
entered onto the command line as vectors (example:
[ 1 2 3 ]); if it’s not selected, one-row arrays are entered as
matrices (example: [ [ 1 2 3 ]]).
^WID Decreases the width of all cells.
WID^ Increases the width of all cells.
GO-» Sets left-to-right entry mode. The cursor moves to the next
column after data entry.
GOi Sets top-to-bottom entry mode. The cursor moves to the
next ro w after data entry.
+ROW Inserts a row of zeros at the current cursor position.
-ROW Deletes the current row.
+COL Inserts a column of zeros at the ciuTent cursor position.
-COL Deletes the current colionn.
-^STK Copies the current cell to history (level 1 of the stack).
GOTO Move the cursor to a specified cell.
DEL Replace the contents of selected cells with zeros.
Page 5-6 Matrices and linear algebra