Syntax Elements for Math
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On this section some basic elements about how to build a mathematical expression on Apache OpenOffice Math will be provided.
Simple Commands and Functions
As seen on the section about inserting a Math object, the Math editor works on "text mode".
There are several kinds of Math instructions, all of them represented by text with a particular meaning. For example, writing %gamma a Greek character 
will be obtained, cos will be interpreted as the cosine function while newline will insert a new line on the expression.
Commands that Needs Parameters
Some commands needs to be applied to other object because alone do not have sense. For example, the "decorations" like a vector arrow:
vec a
will give 
while
widevec a
will give 
This second command can be used to put the arrow over more than one element, to obtain for example 
There are also instructions that need the use of parameters to define their action, for example the command "color"
A color red {BC} D
will give
