OpenOffice.org OpenOffice - 3.3 Guide de l'utilisateur

Math GuideThe OpenOffice.org Equation Editor

Step 4: Click on the a≃b symbol. The equation editor now shows the markup %pi<?> simeq <?>.Step 5: Delete the <?> text and add 3.14

Figure 12: Formula editor as a floating windowHow can I make a formula bigger?This is one of the most common questions people ask about OOo Math. The

The result of this change is illustrated in Figure 15.Figure 15. Result of changing the base font sizeFormula layoutThe most difficult part of using O

Markup Resultsum from k = 1 to n a_k∑k =1nakint from 0 to x f(t) dtor int_0^x f(t) dt∫0xf tdt or ∫0xf t dtint from Re f∫ℜfsum to infinity 2^{-n}∑

How do I make a derivative?Making derivatives essentially comes down to one trick: Tell OOo it’s a fraction.In other words, you have to use the over c

Figure 16: Changing spacing in a matrix formulaNumbering equationsEquation numbering is one of OOo Math’s best hidden features. The steps are simple,

Figure 17. Inserting a cross-reference to an equation number 16 OpenOffice.org 3 Math Guide

Math commands - ReferenceUnary / binary operatorsOperation Command Display+sign +11–sign –1−1+/– sign +–1±1–/+ sign–+1∓1Boolean not neg a¬aAddition +

Relational operatorsOperation Command DisplayIs equal a = ba=bIs not equal a <> ba≠2Approximately a approx 2a≈2Divides a divides ba∣bDoes not di

Set operationsOperation Command DisplayIs in a in Ba ∈BIs not in a notin Ba ∉BOwns A owns bA∋bEmpty set emptyset ∅Intersection A intersection BA∩BUni

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FunctionsOperation Command DisplayExponential func e^{a}eaNatural logarithm ln(a)ln aExponential function exp(a)exp aLogarithm log(a)loga Power

OperatorsAll operators can be used with the limit functions (“from” and “to”).Operation Command DisplayLimit lim{a}lim aSum sum{a}∑aProduct prod{a} ∏a

AttributesOperation Command DisplayAcute accent acute aaGrave accent grave aaReverse circumflex check aaBreve breve aaCircle circle a˚aVector a

Operation Command DisplayMake color of following text white color white qvqvMake color of following text green color green qvqvMake color of following

BracketsOperation Command DisplayRound Brackets (a)aSquare Brackets [b][b]Double Square Brackets ldbracket c rdbracket〚c〛Single line lline a rline∣a

FormatsOperation Command DisplayLeft superscript a lsup{b}abCenter superscript a csup{b}abRight superscript a^{b}abLeft subscript a lsub{b}abCenter su

CautionIn localized versions of Writer, the markup names of Greek and special characters are localized. If this document is not localized to the same

IndexB brackets (Math) 12brackets commands (Math) 24C characters – special (Math) 26characters – Greek (Math) 26D derivative markup (Math) 14

ContentsNote for Mac users... 2What is Math?...

What is Math?Math is OpenOffice.org (OOo)’s component for writing mathematical equations. It is most commonly used as an equation editor for text docu

Entering a formulaThe equation editor uses a markup language to represent formulas. For example, %beta creates the Greek character beta (). This mark

Example 1:5×4For this example we will enter a simple formula:5×4. On the Elements window:1) Select the top-left button of the categories (top) section

Figure 5: Result of entering 5 and 4 next to the times operatorRight-click (context) menuAnother way to access mathematical symbols is to right-click

Below is a short list of common equations and their corresponding markup.Display Command Display Commanda=ba = basqrt {a}a2a^2ana_n∫f xdxint f(x) d

Figure 7: Symbols catalog, used for entering Greek characters and some special symbolsExample 2: ≃ 3.14159For this example we will suppose that:• We