Chapter 2.2.4 LibreOffice Math
==============================

LibreOffice Math is the default application for typesetting equations on Lubuntu.

Screenshot
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.. image:: libreoffice_math.png

Usage
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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`. 

.. image:: math-save.png

To paste text into LibreOffice math press :kbd:`Control +V` or :menuselection:`Edit --> Paste`. To copy text from LibreOffice math press :kbd:`Control+C` 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 insert even more symbols :menuselection:`Tools --> Symbols`.

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.

To quit LibreOffice Math press :kbd:`Control+Q`.

Version
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Lubuntu ships with Version 7.2.3.2 of LibreOffice Math. 

How to Launch
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To launch LibreOffice Math in the menu :menuselection:`Office --> LibreOffice Math` or run 

.. code:: 

   lomath 
   
from the command line. The  icon for LibreOffice Math looks like a piece of paper with the math symbol for square root of x.