Matrix
Creating a matrix
In order to create a matrix first you have to be in formula; then you
click on the M icon in the table of symbols, or type the TAB key then the m key.
Then you are in the first entry of the matrix. You type it or paste
something in it.
Finishing an entry
You finish an entry by typing ENTER
key; you get a message box asking for a confirmation, then
you are in the new created next entry.
Finishing a line
After finishing the last entry of the line, to finish the line you type again the ENTER key,
you get a message box asking for a confirmation, then you are in the new created
next line.
Finishing the matrix
Again by hitting the ENTER
key; you still get a message box asking for a confirmation, then
you are out of the matrix.
Positionning inside the entry
You can center or shift right or left. For this put the mouse button on
the beacon beginning the entry then click the right mouse button and
choose.
Deleting an entry
For this click the left mouse button on the beacon beginning the entry. The entry become orange, then use the Del key
.
Adding an entry
For this click the left mouse button on the beacon beginning the entry then use the right arrow key in order to go to the right of the beacon then the cursor in blue and you can type or paste.