Difference between revisions of "EN/documentation/ooo3 user guides/getting started/numbering equations"

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{{:Numbering equations}}
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Equation numbering is one of OOo Math's best hidden features. The steps are simple, but obscure:
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# Start a new line.
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# Type “fn" and then press ''F3''.
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The “fn" is replaced by a numbered formula:
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:<math>E=mc^2</math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (2)
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Now you can double-click on the formula to edit it. For example, here is the Riemann Zeta function:
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:<math>\zeta (z) = \sum_{n=1}^\infin \frac{1}{n^z}</math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (3)
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You can reference an equation (“as shown in Equation (2)") with these steps:
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# Choose '''Insert > Cross-reference''' from the menu bar.
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# On the ''Cross-references'' tab, under ''Type'', select ''Text''.
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# Under ''Selection'', select the equation number.
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# Under ''Format'', select ''Reference''.
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# Click '''Insert'''.
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Done! If you later add more equations to the paper before the referenced equation, all the equations will automatically renumber and the cross-references will update.
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: [[Image:Frame15.png]]
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{{Documentation/Tip|To insert the equation number without parenthesis around it, choose ''Numbering'' under ''Format'' instead of ''Reference.''}}
  
 
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{{CCBY}}
 
[[Category:Getting Started (Documentation)]]
 
[[Category:Getting Started (Documentation)]]

Latest revision as of 20:01, 10 April 2012




Equation numbering is one of OOo Math's best hidden features. The steps are simple, but obscure:

  1. Start a new line.
  2. Type “fn" and then press F3.

The “fn" is replaced by a numbered formula:

<math>E=mc^2</math>                      (2)

Now you can double-click on the formula to edit it. For example, here is the Riemann Zeta function:

<math>\zeta (z) = \sum_{n=1}^\infin \frac{1}{n^z}</math>                      (3)

You can reference an equation (“as shown in Equation (2)") with these steps:

  1. Choose Insert > Cross-reference from the menu bar.
  2. On the Cross-references tab, under Type, select Text.
  3. Under Selection, select the equation number.
  4. Under Format, select Reference.
  5. Click Insert.

Done! If you later add more equations to the paper before the referenced equation, all the equations will automatically renumber and the cross-references will update.

File:Frame15.png
Tip.png To insert the equation number without parenthesis around it, choose Numbering under Format instead of Reference.


Content on this page is licensed under the Creative Common Attribution 3.0 license (CC-BY).
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