OpenOffice.org OpenOffice - 3.0 Guide de démarrage rapide télécharger pdf (Page 321)

100

101

OOoMath provides “scalable” brackets. That is, the brackets grow in

size to match the size of their contents. Use the commands

left(

and

right)

to make scalable brackets.

Markup Result

left( matrix { a # b ## c # d } right)



a b

c d



Tip

Use

left[

and

right]

to obtain square brackets.

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” command. Combine this

with either the letter “d” (for a total derivative) or the “partial”

command (for a partial derivative) to achieve the effect of a derivative.

Markup Result

{df} over {dx}

{partial f} over {partial y}

∂ f

∂ y

{partial^2 f} over {partial t^2}

∂

∂ t

Note

Notice that we had to use squiggly brackets to make the

derivative.

Numbering equations

Equation numbering is one of OOoMath’s best hidden features. The

steps are simple, but obscure:

1) Start a new line.

2) Type “fn” and then press

The “fn” is replaced by a numbered formula:

E= mc

(2)

Chapter 9 Getting Started with Math 321

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OpenOffice.org OpenOffice - 3.0 Guide de démarrage rapide Page 321

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