To save your formula you have written in LibreOffice math press :kbd:`Control +S` or :menuselection:`File --> Save`. To open a file press :kbd:`Control +O` or :menuselection:`File --> Open`. To print your formula press :kbd:`Control +P` or :menuselection:`File --> Print`. To view your printer settings :menuselection:`File --> Printer settings`. To save a file as a different name press :kbd:`Control+Shift+S` or :menuselection:`File --> Save As`. To view your recent files :menuselection:`File --> Recent Documents`.
To paste text into LibreOffice math press :kbd:`Control +V`, right click :menuselection:`Paste`, or :menuselection:`Edit --> Paste`. To copy text from LibreOffice math press :kbd:`Control+C`, select text right click and select :menuselection:`Copy`, or :menuselection:`Edit --> Copy`. To cut text from LibreOffice math press :kbd:`Control +X` or :menuselection:`Edit --> Cut`. To select all text press :kbd:`Control+A` or :menuselection:`Edit --> Select All`.
To undo changes in LibreOffice math press :kbd:`Control +Z` or :menuselection:`Edit --> Undo`. To redo a change you have undone press :kbd:`Control +Y` or :menuselection:`Edit --> Redo`.
The left hand side has many symbols you can use for say set relations and other operators. To change which groups of symbols you are currently using change the menu to the top of the sidebar with symbols on the left. If the symbol usually has a varibale or operand on on a side or something it will have a box to that side. To toggle hiding this sidebar check/uncheck :menuselection:`View --> Elements`. To temporarily collapse a sidebar click the arrows pointing towards the edge of the window. To insert even more symbols :menuselection:`Tools --> Symbols`.
To type into a formula the bottom part of the window has what is inserted into the fomula. You can also insert many operators or brackets by right clicking and then selecting the symbol.
To change the fonts of your formulas :menuselection:`Format --> Fonts` which brings up a window for fonts for different contexts. To change your font size :menuselection:`Format --> Font sizes`. To bring up a menu to change your alignment :menuselection:`Format --> Alignment`.
To change zoom :menuselection:`View --> Zoom` and select the zoom you want. In the bottom right hand corner there is a zoom slider. To zoom in move the slider to the right and to zoom out move the slider to the left.
