<p class="Paragraph"><help:paragraphinfo state="U" number="2"/><help:help-text value="visible">You can choose among various bracket types to structure a <span style="font-weight:bold;"><help:productname>%PRODUCTNAME</help:productname> Math</span> formula. <text:s text:c="" xmlns:text="http://openoffice.org/2000/text"/>Bracket types are displayed in the lower part of the Selection window.</help:help-text> These brackets are also listed in the <help:popup Id="65630" Eid="kontextmenue">context menu</help:popup> of the <span style="font-weight:bold;">Commands</span> window. All brackets that are not contained in the Selection window or in the context menu can be typed manually in the <span style="font-weight:bold;">Commands</span> window.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="3" xmlns:help="http://openoffice.org/2000/help"/>The following is a complete list of all available bracket types. The icon next to the bracket type indicates that it can be accessed through the Selection window (menu View - Selection) or through the context menu of the <span class="T1">Commands</span> window.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="8" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; round (Math)" tag="kw67341_44" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="parentheses (Math)" tag="kw67341_43" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a placeholder within normal round brackets (parentheses).</help:help-text> You can also type <span class="T1">(<?>)</span> in the <span class="T1">Commands</span> window.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="32" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; square (Math)" tag="kw67341_42" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a placeholder within square brackets.</help:help-text> You can also type <span class="T1">[<?>]</span> in the <span class="T1">Commands</span> window.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="51" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; double square (Math)" tag="kw67341_41" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a placeholder within double square brackets.</help:help-text> You can also type <span class="T1">ldbracket <?> rdbracket</span> in the <span class="T1">Commands</span> window.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="36" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="braces" tag="kw67341_40" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; braces" tag="kw67341_39" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a placeholder withing braces (curly brackets).</help:help-text> You can also type <span class="T1">lbrace<?>rbrace</span> directly in the <span class="T1">Commands</span> window.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="38" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="vertical bars; single vertical bars (Math)" tag="kw67341_38" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a placeholder within vertical bars.</help:help-text> You can also type <span class="T1">lline <?> rline</span> directly in the <span class="T1">Commands</span> window.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="39" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="vertical bars; double vertical bars (Math)" tag="kw67341_37" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a placeholder within double vertical bars.</help:help-text> You can also type <span class="T1">ldline <?> rdline</span> directly in the <span class="T1">Commands</span> window.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="34" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; angle (Math)" tag="kw67341_36" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a placeholder within angle brackets.</help:help-text> You can also type <span class="T1">langle <?> rangle</span> in the <span class="T1">Commands</span> window.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="47" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; operator (Math)" tag="kw67341_35" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; angle with operator" tag="kw67341_34" xmlns:help="http://openoffice.org/2000/help"/> <help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a placeholder within operator brackets.</help:help-text> You can also type <span class="T1">langle <?> mline <?> rangle</span> in the <span class="T1">Commands</span> window.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="41" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; group" tag="kw67341_33" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="grouping brackets" tag="kw67341_32" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts group brackets.</help:help-text> You can also type <span class="T1">{<?>}</span> in the <span class="T1">Commands</span> window.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="10" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; scalable round" tag="kw67341_31" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="round brackets; scalable" tag="kw67341_30" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts <span class="T1">scalable rounded brackets</span> with one placeholder.</help:help-text> You can also type <span class="T1">left(<?> right)</span> in the <span class="T1">Commands</span> window.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="12" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; scalable square" tag="kw67341_29" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="square brackets; scalable" tag="kw67341_28" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts scalable square brackets with placeholders.</help:help-text> You can also type <span class="T1">left[<?> right]</span> in the <span class="T1">Commands</span> window. The size of the brackets is adjusted automatically.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="53" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; scalable double square" tag="kw67341_27" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="double square brackets; scalable" tag="kw67341_26" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts scalable double square brackets with placeholders.</help:help-text> You can also type <span class="T1">left ldbracket <?> right rdbracket</span> directly in the <span class="T1">Commands</span> window. The bracket size is adjusted automatically.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="14" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; scalable braces" tag="kw67341_25" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="braces; scalable" tag="kw67341_24" xmlns:help="http://openoffice.org/2000/help"/> <help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts scalable braces with a placeholder.</help:help-text> You can also type <span class="T1">left lbrace <?> right rbrace</span> in the <span class="T1">Commands</span> window. The size of the braces is automatically adjusted.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="18" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="vertical bars; scalable single" tag="kw67341_23" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts scalable single vertical bars with a placeholder.</help:help-text> You can also type <span class="T1">left lline <?> right rline</span> in the <span class="T1">Commands</span> window. The size of the brackets is automatically adjusted.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="20" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="vertical bars; double scalable" tag="kw67341_22" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts scalable double vertical bars with a placeholder.</help:help-text> <text:s text:c="" xmlns:text="http://openoffice.org/2000/text"/>You can also type <span class="T1">left ldline <?> right rdline</span> in the <span class="T1">Commands</span> window. The size of the brackets is automatically adjusted.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="16" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; scalable angle" tag="kw67341_21" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts scalable angle brackets with a placeholder.</help:help-text> You can also type <span class="T1">left langle <?> right rangle</span> in the <span class="T1">Commands</span> window. The size of the brackets is automatically adjusted.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="49" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; scalable operator" tag="kw67341_20" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="operator brackets; scalable" tag="kw67341_19" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts scalable operator brackets with placeholders.</help:help-text> You can also type <span class="T1">left langle <?> mline <?> right rangle</span> in the <span class="T1">Commands</span> window. The bracket size is adjusted automatically.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="56" xmlns:help="http://openoffice.org/2000/help"/>Brace top (scalable)</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="55" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; scalable top brace" tag="kw67341_18" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="braces; scalable top" tag="kw67341_17" xmlns:help="http://openoffice.org/2000/help"/> <help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a scalable horizontal upper brace with placeholders.</help:help-text> You can also enter <span class="T1"><?> overbrace <?></span> directly in the <span class="T1">Commands</span> window. The bracket size is adjusted automatically.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="57" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; scalable bottom brace" tag="kw67341_16" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="braces; scalable bottom" tag="kw67341_15" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a scalable horizontal lower brace with placeholders.</help:help-text> You can also type <span class="T1"><?> underbrace <?></span> directly in the <span class="T1">Commands</span> window. The bracket size is adjusted automatically.</p>
</span></th></tr></table>
<p class="Paragraph"><help:paragraphinfo state="U" number="27" xmlns:help="http://openoffice.org/2000/help"/><help:help-id value="HID_SMA_LRFLOORX" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="floor; lines with" tag="kw67341_14" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="lines; with bottom edges" tag="kw67341_13" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">To insert floor brackets, type <span class="T1">lfloor<?>rfloor</span> directly in the <span class="T1">Commands</span> window.</help:help-text></p>
<p class="Paragraph"><help:paragraphinfo state="U" number="28" xmlns:help="http://openoffice.org/2000/help"/><help:help-id value="HID_SMA_LRCEILX" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="ceiling; lines with" tag="kw67341_12" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="lines; with top edges" tag="kw67341_11" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">To insert ceiling brackets, type <span class="T1">lceil<?>rceil</span> directly in the <span class="T1">Commands</span> window.</help:help-text></p>
<p class="Paragraph"><help:paragraphinfo state="U" number="45" xmlns:help="http://openoffice.org/2000/help"/><help:help-id value="HID_SMA_SLRFLOORX" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="floor; scalable lines with" tag="kw67341_10" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="lines; scalable with bottom edges" tag="kw67341_9" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">To insert scalable floor brackets, type <span class="T1">left lfloor<?>right rfloor</span> directly in the <span class="T1">Commands</span> window.</help:help-text></p>
<p class="Paragraph"><help:paragraphinfo state="U" number="46" xmlns:help="http://openoffice.org/2000/help"/><help:help-id value="HID_SMA_SLRCEILX" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="ceiling; scalable lines with" tag="kw67341_8" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="lines; scalable with top edges" tag="kw67341_7" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">To insert scalable ceiling brackets, type <span class="T1">left lceil<?>right rceil</span> directly in the <span class="T1">Commands</span> window.</help:help-text></p>
<p class="Paragraph"><help:paragraphinfo state="U" number="44" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="scalable brackets" tag="kw67341_6" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="automatic bracket scaling" tag="kw67341_5" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; automatic scaling" tag="kw67341_4" xmlns:help="http://openoffice.org/2000/help"/>Brackets are automatically sized when you type <span class="T1">left</span> and <span class="T1">right</span> in front of the bracket command, for example, <span class="T1">left(a over b right)</span>. You can also set the size and spacing of brackets by choosing <span class="T1">Format - Spacing - Category - Brackets</span> and setting the desired percentages. <text:s text:c="" xmlns:text="http://openoffice.org/2000/text"/>Mark the <span class="T1">Scale all brackets</span> check box to apply the changes to all brackets in the formula.</p>
</span></th></tr></table>
<p class="Paragraph"><help:paragraphinfo state="U" number="43" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="brackets; single, without group function" tag="kw67341_3" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="single brackets; without group function" tag="kw67341_2" xmlns:help="http://openoffice.org/2000/help"/>You can also use brackets individually. To do this, type a backslash <span class="T1">\</span> in front of the command. For example, when you type <span class="T1">\[</span>, the left square bracket appears without its counterpart. This is useful for creating reverse brackets or for constructing intervals. <text:s text:c="" xmlns:text="http://openoffice.org/2000/text"/>Note that only non-scalable brackets can be used individually. To change the size, use the <span class="T1">size</span> command.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="29" xmlns:help="http://openoffice.org/2000/help"/>Be sure to put spaces (gaps) between elements when entering them directly in the Commands window. This ensures that the correct structure is recognized.</p>
</span></th></tr></table>
<p class="Paragraph"><help:paragraphinfo state="U" number="30" xmlns:help="http://openoffice.org/2000/help"/>For more information about <span class="T1">Formatting in <help:productname xmlns:help="http://openoffice.org/2000/help">%PRODUCTNAME</help:productname> Math</span>, see <help:link Id="67338" xmlns:help="http://openoffice.org/2000/help">Brackets and Grouping</help:link>.</p>
<p class="Paragraph"><help:paragraphinfo state="U" number="31" xmlns:help="http://openoffice.org/2000/help"/>Useful information about <help:link Id="67300" xmlns:help="http://openoffice.org/2000/help">indexes and exponents</help:link> as well as <help:link Id="67321" xmlns:help="http://openoffice.org/2000/help">scaling</help:link> helps you structure formulas effectively. For more information about brackets, see <help:link Id="67338" xmlns:help="http://openoffice.org/2000/help">Brackets and Groups</help:link>.</p>