OpenOffice.org 2.x Guia do Utilizador Página 462

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Chapter 11: Using OpenOffice.org Math
Under brace / Over brace:
Command Input Field Formula
+ 18 underbrace plus - ( 1 + 2 + 3 + 4) underbrace
minus
18
plus
1 23 4
minus
+ 18 overbrace plus - ( 1 + 2 + 3 + 4) overbrace
minus
18
plus
1 23 4
minus
Various types of Brackets
In almost all equations various types of brackets are required. OpenOffice formula allows the
use of several kinds of brackets.
{ } structural braces: used to group parts of an equation for programming purposes.
( ) Parenthesis: used to group parts of an equation. Parenthesis are displayed in the final
equation.
[ ] square brackets: usage is the same as parenthesis ( ).
{ } braces: as the keyboard characters { } are used for program commands and are not
displayed in the resulting formula, braces must be typed as lbrace for '{' and rbrace for '}'
The size of brackets can be controlled with the commands 'left' and 'right'
Command Input Field Formula
(1+2 - 2 cdot (2 over (2 - 1 )))
1 22
2
21

left (1+2-2 cdot left (2 over {2-1} right ) right )
1 22
2
21
left lbrace a^2+b^2=c^2 right rbrace
{
a
2
b
2
= c
2
}
OpenOffice.org User Guide for 2.x 428
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