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.