<p class="Paragraph"><help:help-text value="visible">From the mathematical symbols available, select the one you want for your <span style="font-weight:bold;"><help:productname>%PRODUCTNAME</help:productname> Math</span> formula</help:help-text>. The available operators can also be found by accessing the <help:popup Id="65630" Eid="kontextmenue">context menu</help:popup> in the <span style="font-weight:bold;">Commands</span> window and selecting <span style="font-weight:bold;">Others</span>. Symbols that cannot created using the window or context menu must be entered directly in the Commands window. Of course, you can also build all other symbols manually.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_PARTIAL" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="partial differentation" tag="kw67302_27" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add a <span class="T1">partial differentation</span> or a set margin.</help:help-text> Entering <span class="T1">partial</span> directly in the Commands window has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_INFINITY" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used for adding the character for <span class="T1">infinity</span>.</help:help-text> To create this character, you can also write <span class="T1">infinity</span> or <span class="T1">infty</span> in the Commands window.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_NABLA" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="Nabla vector" tag="kw67302_26" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add the <span class="T1">Nabla vector</span>.</help:help-text> You must enter <span class="T1">nabla</span> in the Commands window.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_EXISTS" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="There exists" tag="kw67302_25" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="existence quantor" tag="kw67302_24" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add the existence quantor <span class="T1">There exists</span>.</help:help-text> Entering <span class="T1">exists</span> directly has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_FORALL" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="For all" tag="kw67302_23" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="universal quantifier" tag="kw67302_22" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">You can insert the universal quantifier <span class="T1">for all</span> using this icon.</help:help-text> Entering <span class="T1">forall</span> directly into the Commands window has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_HBAR" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="h bar" tag="kw67302_21" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add the small letter <span class="T1">h with a horizontal line through it</span>.</help:help-text><span class="T1"> Entering hbar</span> directly has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_LAMBDABAR" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="lambda bar" tag="kw67302_20" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add the small Greek letter <span class="T1">lambda with a horizontal line through it</span>.</help:help-text> Entering <span class="T1">lambdabar</span> in the Commands window has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_RE" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="real part of complex number" tag="kw67302_19" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add the <span class="T1">real part of a complex number</span>.</help:help-text> Entering <span class="T1">re</span> has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_IM" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="imaginary part of a complex number" tag="kw67302_18" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add the character for the <span class="T1">imaginary part of a complex number</span>.</help:help-text> Entering <span class="T1">im</span> directly has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_WP" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="weierstrass p" tag="kw67302_17" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add a <span class="T1">Weierstrass p</span>.</help:help-text> Entering <span class="T1">wp</span> directly in the Commands window has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_LEFTARROW" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="left arrow" tag="kw67302_16" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="arrow; left" tag="kw67302_15" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add a <span class="T1">left arrow</span>.</help:help-text> Entering <span class="T1">leftarrow</span> in the Commands window has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_RIGHTARROW" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="right arrow" tag="kw67302_14" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="arrow; right" tag="kw67302_13" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add a <span class="T1">right arrow</span>.</help:help-text> Entering <span class="T1">rightarrow</span> in the Commands window has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_UPARROW" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="up arrow" tag="kw67302_12" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="arrow; up" tag="kw67302_11" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add an <span class="T1">up arrow</span>.</help:help-text> Entering <span class="T1">uparrow</span> in the Commands window has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_DOWNARROW" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="down arrow" tag="kw67302_10" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="arrow; down" tag="kw67302_9" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add a <span class="T1">down arrow</span>.</help:help-text> Entering <span class="T1">downarrow</span> has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_DOTSLOW" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="dots low" tag="kw67302_8" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add three low horizontal dots.</help:help-text> Entering <span class="T1">dotslow</span> directly has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_DOTSAXIS" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="center dots" tag="kw67302_7" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Symbol is used to add three horizontal points in the center of the character.</help:help-text> Entering <span class="T1">dotaxis</span> directly in the Commands window has the same effect.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_DOTSVERT" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="dots; vertical" tag="kw67302_6" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Use this symbol to add three vertical dots.</help:help-text> You can enter the <span class="T1">dotsvert</span> command directly in the Commands window.</p>
<p class="Paragraph"><help:help-id value="HID_SMA_DOTSUP" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="dots; diagonally upward" tag="kw67302_5" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Use this symbol to insert three dots on a diagonal from the bottom left to the top right. You can also enter <span class="T1">dotsup</span> or <span class="T1">dotsdiag</span> directly in the Commands window.</help:help-text></p>
<p class="Paragraph"><help:help-id value="HID_SMA_DOTSDOWN" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="dots; diagonally downward" tag="kw67302_4" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Use this symbol to insert three dots on a diagonal from upper left to lower right.</help:help-text> You can also enter <span class="T1">dotsdown</span> directly in the Commands window.</p>
<p class="Paragraph"><help:key-word value="epsilon; back" tag="kw67302_3" xmlns:help="http://openoffice.org/2000/help"/>A <span class="T1">back epsilon</span> can be inserted by entering <text:s text:c="" xmlns:text="http://openoffice.org/2000/text"/><span class="T1">backepsilon</span> in the Commands window.</p>
<p class="Paragraph"><help:key-word value="placeholders; inserting" tag="kw67302_2" xmlns:help="http://openoffice.org/2000/help"/>To insert a <span class="T1">placeholder</span> into your document, enter <span class="T1"><?></span> in the Commands window. This command cannot be inserted using the Others menu.</p>