Difference between revisions of "Documentation/FAQ/Formula"

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m (I want to use a binary operator (like union or otimes) as a large operator (like int or sum). How can I do that?)
(I enter x^* to typeset x*, but get an error message. Why?)
 
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* Replace ''<FAQ_TITLE>'' part in the input box above by the title you would like to give the FAQ item and click '''Add New FAQ'''
 
* Replace ''<FAQ_TITLE>'' part in the input box above by the title you would like to give the FAQ item and click '''Add New FAQ'''
 
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==I enter <font color="brown">'''x^*'''</font> to typeset x<SUP>*</SUP>, but get an error message. Why?==
 
 
The problem is that<font color="brown">''' * '''</font>is a binary operator, that is
 
there has to be an expression on both sides of the symbol.
 
 
You either have to enter the expression<font color="brown">''' x^{{}*{}} '''</font>to avoid the
 
error message, or you could type <font color="brown">''' x^"*"'''</font> as well, where the quotes
 
will interpret the asterisk not as a binary operator but as a "standalone" symbol.
 
 
If you use this construction a lot you might want to define the
 
symbol as an user defined symbol. See [[FAQ:Formula#I_need_a_symbol_that_Math_does_not_provide._What_can_I_do.3F|I need a symbol that Math does not provide. What can I do?]].
 
If you have defined the * as an user defined symbol, say<font color="brown">''' %ast'''</font>,
 
you can enter<font color="brown">''' x^%ast'''</font>.
 
 
This answer applies to a lot of other symbols as well. Some operators, such as +, are unary, that is there only has to be an expression to the right of the symbol. To typeset x<SUP>+</SUP> you can enter<font color="brown">''' x^{+{}}<'''</font> or, of course, <font color="brown">'''x^"+"'''</font>.
 
  
  
 
[[Category: Documentation/FAQ]]
 
[[Category: Documentation/FAQ]]
 
[[Category:User FAQ]]
 
[[Category:User FAQ]]

Latest revision as of 13:12, 8 October 2021

doc OOo


Documentation note.png A useful first resource is the OpenOffice Math Syntax Reference.

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