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Extensible Markup Language  |  2002-01-24  |  32.4 KB  |  275 lines
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  2. <html><head><title>Unary/Binary Operators</title><meta name="filename" content="text/smath/01/03090100"/><meta name="language" content="en-US"/><help:css-file-link xmlns:help="http://openoffice.org/2000/help"/><!--The CSS style header method for setting styles--><style type="text/css">
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  132.         </style></head><body>
  133.    
  134.    
  135.    <help:to-be-embedded Eid="unaerbinaer" xmlns:help="http://openoffice.org/2000/help">
  136.    <p class="Head1"><help:help-id value="HID_SMA_UNBINOPS_TBX"/><help:help-id value="HID_SMA_UNBINOPS_CAT"/><help:key-word value="unary operators" tag="kw67299_1"/><help:key-word value="binary operators" tag="kw67299_43"/><help:key-word value="operators; unary and binary" tag="kw67299_42"/><help:link Id="67299">Unary/Binary Operators</help:link></p>
  137.    <p class="Paragraph"><help:help-text value="visible">This option enables you to select among various unary and binary operators for setting up your <help:productname>%PRODUCTNAME</help:productname> Math formula. Unary refers to operators that affect one placeholder. Binary refers to the ones that connect two placeholders. The lower area of the Selection window displays the individual operators.</help:help-text> The <help:popup Id="65630" Eid="kontextmenue">context menu</help:popup> of the <span style="font-weight:bold;">Commands</span> window displays a list of same functions plus others. If you need an operator which is not contained in the Selection window, enter it directly in the Commands window.</p>
  138.    </help:to-be-embedded>
  139.    <help:popup Id="67297" Eid="astuop" xmlns:help="http://openoffice.org/2000/help"><help:embedded Id="67297" Eid="wie"/></help:popup>
  140.    <p class="Paragraph">Following is a complete list of the unary and binary operators. The symbol next to the operator indicates that it can be accessed via the Selection window (choose <span class="T1">View - Selection</span>) or via the context menu of the Commands window.</p>
  141.    <p class="Head3">Unary and Binary Operators</p>
  142.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle1A">
  143.        <draw:image draw:style-name="fr1" draw:name="Grafik1" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="0" xlink:href="66260" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_PLUSX" xmlns:help="http://openoffice.org/2000/help"/>
  144.       </span></th><th style="text-align:left;"><span class="Tabelle1B">
  145.        <p class="Paragraph">+ sign</p>
  146.        <p class="Paragraph"><help:key-word value="plus sign" tag="kw67299_41" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a <span class="T1">plus sign</span> with placeholders.</help:help-text></p>
  147.       </span></th></tr></table>
  148.    <p class="Paragraph"/>
  149.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle2A">
  150.        <draw:image draw:style-name="fr1" draw:name="Grafik4" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="1" xlink:href="66143" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_MINUSX" xmlns:help="http://openoffice.org/2000/help"/>
  151.       </span></th><th style="text-align:left;"><span class="Tabelle2B">
  152.        <p class="Paragraph">- sign</p>
  153.        <p class="Paragraph"><help:key-word value="minus signs; with placeholders" tag="kw67299_40" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Use this symbol to insert a <span class="T1">minus sign</span> with a placeholder.</help:help-text> Enter <span class="T1">- <?></span> in the Commands window.</p>
  154.       </span></th></tr></table>
  155.    <p class="Paragraph"/>
  156.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle1A">
  157.        <draw:image draw:style-name="fr2" draw:name="Grafik3" text:anchor-type="paragraph" svg:width="0.767cm" svg:height="0.767cm" draw:z-index="8" xlink:href="66261" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_PLUSMINUSX" xmlns:help="http://openoffice.org/2000/help"/>
  158.       </span></th><th style="text-align:left;"><span class="Tabelle1B">
  159.        <p class="Paragraph">Plus/Minus sign</p>
  160.        <p class="Paragraph"><help:key-word value="plus/minus signs; with placeholders" tag="kw67299_39" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Use this symbol to insert a <span class="T1">plus/minus sign</span> with placeholders.</help:help-text> You can enter the operator directly into the Commands window by first entering the plus sign, then the minus and finally the placeholder.</p>
  161.       </span></th></tr></table>
  162.    <p class="Paragraph"/>
  163.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle1A">
  164.        <draw:image draw:style-name="fr2" draw:name="Grafik13" text:anchor-type="paragraph" svg:width="0.741cm" svg:height="0.767cm" draw:z-index="9" xlink:href="66144" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_MINUSPLUSX" xmlns:help="http://openoffice.org/2000/help"/>
  165.       </span></th><th style="text-align:left;"><span class="Tabelle1B">
  166.        <p class="Paragraph">Minus/Plus sign</p>
  167.        <p class="Paragraph"><help:key-word value="minus/plus signs; with placeholders" tag="kw67299_38" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Use this symbol to insert a <span class="T1">minus/plus sign</span> with placeholder.</help:help-text> These operators can be directly entered into the Commands window by first entering the minus sign, then the plus sign and finally the placeholder.</p>
  168.       </span></th></tr></table>
  169.    <p class="Paragraph"/>
  170.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle4A">
  171.        <draw:image draw:style-name="fr1" draw:name="Grafik5" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="2" xlink:href="65643" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_XPLUSY" xmlns:help="http://openoffice.org/2000/help"/>
  172.       </span></th><th style="text-align:left;"><span class="Tabelle4B">
  173.        <p class="Paragraph">Addition sign (plus)</p>
  174.        <p class="Paragraph"><help:key-word value="additions sign; normal" tag="kw67299_37" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="plus signs; normal" tag="kw67299_36" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts an <span class="T1">plus sign</span> with placeholders.</help:help-text>You can also enter <span class="T1"><?>+<?></span> directly in the Commands window.</p>
  175.       </span></th></tr></table>
  176.    <p class="Paragraph"/>
  177.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle13A">
  178.        <draw:image draw:style-name="fr1" draw:name="Grafik15" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="10" xlink:href="66131" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_XCDOTY" xmlns:help="http://openoffice.org/2000/help"/>
  179.       </span></th><th style="text-align:left;"><span class="Tabelle13B">
  180.        <p class="Paragraph">Multiplication sign (dot)</p>
  181.        <p class="Paragraph"><help:key-word value="multiplication signs; as dot" tag="kw67299_35" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Use this symbol to insert a dot multiplication sign with two placeholders.</help:help-text> By entering <span class="T1"><?>cdot<?></span> directly in the command window you achieve the same result.</p>
  182.       </span></th></tr></table>
  183.    <p class="Paragraph"/>
  184.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle10A">
  185.        <draw:image draw:style-name="fr1" draw:name="Grafik10" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="11" xlink:href="66133" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_XTIMESY" xmlns:help="http://openoffice.org/2000/help"/>
  186.       </span></th><th style="text-align:left;"><span class="Tabelle10B">
  187.        <p class="Paragraph">Multiplication sign (x)</p>
  188.        <p class="Paragraph"><help:key-word value="multiplication signs; as x" tag="kw67299_34" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a times 'x' <span class="T1">multiplication</span> with two placeholders.</help:help-text> You can also enter <span class="T1"><?>times<?></span> directly in the Commands window.</p>
  189.       </span></th></tr></table>
  190.    <p class="Paragraph"/>
  191.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle6A">
  192.        <draw:image draw:style-name="fr1" draw:name="Grafik7" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="12" xlink:href="66132" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_XSYMTIMESY" xmlns:help="http://openoffice.org/2000/help"/>
  193.       </span></th><th style="text-align:left;"><span class="Tabelle6B">
  194.        <p class="Paragraph">Multiplication sign (*)</p>
  195.        <p class="Paragraph"><help:key-word value="multiplication signs; as asterisk" tag="kw67299_33" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts an asterisk multiplication sign with two placeholders. </help:help-text> You can also enter <span class="T1"><?>*<?></span> directly in the Commands window.</p>
  196.       </span></th></tr></table>
  197.    <p class="Paragraph"/>
  198.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle5A">
  199.        <draw:image draw:style-name="fr1" draw:name="Grafik6" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="3" xlink:href="66580" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_XMINUSY" xmlns:help="http://openoffice.org/2000/help"/>
  200.       </span></th><th style="text-align:left;"><span class="Tabelle5B">
  201.        <p class="Paragraph">- sign</p>
  202.        <p class="Paragraph"><help:key-word value="subtraction; normal sign" tag="kw67299_32" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a subtraction sign with two placeholders.</help:help-text> You can also enter <span class="T1"><?>-<?></span> in the Commands window.</p>
  203.       </span></th></tr></table>
  204.    <p class="Paragraph"/>
  205.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle9A">
  206.        <draw:image draw:style-name="fr1" draw:name="Grafik14" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="13" xlink:href="65717" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_XOVERY" xmlns:help="http://openoffice.org/2000/help"/>
  207.       </span></th><th style="text-align:left;"><span class="Tabelle9B">
  208.        <p class="Paragraph">Division sign (Fraction)</p>
  209.        <p class="Paragraph"><help:key-word value="division signs; as fraction line" tag="kw67299_31" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a fraction with two placeholders.</help:help-text> You can also directly enter <span class="T1"><?>over<?></span> in the Commands window.</p>
  210.       </span></th></tr></table>
  211.    <p class="Paragraph"/>
  212.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle7A">
  213.        <draw:image draw:style-name="fr1" draw:name="Grafik8" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="4" xlink:href="65781" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_XDIVY" xmlns:help="http://openoffice.org/2000/help"/>
  214.       </span></th><th style="text-align:left;"><span class="Tabelle7B">
  215.        <p class="Paragraph">Division sign</p>
  216.        <p class="Paragraph"><help:key-word value="division signs; as line with dot above and below" tag="kw67299_30" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a division sign with two placeholders.</help:help-text> You can also directly enter <span class="T1"><?>div<?></span> in the Commands window.</p>
  217.       </span></th></tr></table>
  218.    <p class="Paragraph"/>
  219.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle8A">
  220.        <draw:image draw:style-name="fr1" draw:name="Grafik9" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="5" xlink:href="65782" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_XSYMDIVIDEY" xmlns:help="http://openoffice.org/2000/help"/>
  221.       </span></th><th style="text-align:left;"><span class="Tabelle8B">
  222.        <p class="Paragraph">Division (Slash)</p>
  223.        <p class="Paragraph"><help:key-word value="division signs; as slash" tag="kw67299_29" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a slash '/' division sign with two placeholders. </help:help-text> You can also directly type <span class="T1"><?>/<?></span> in the Commands window.</p>
  224.       </span></th></tr></table>
  225.    <p class="Paragraph"/>
  226.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle3A">
  227.        <draw:image draw:style-name="fr2" draw:name="Grafik2" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="14" xlink:href="66125" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_NEGX" xmlns:help="http://openoffice.org/2000/help"/>
  228.       </span></th><th style="text-align:left;"><span class="Tabelle3B">
  229.        <p class="Paragraph">Boolean NOT</p>
  230.        <p class="Paragraph"><help:key-word value="NOT" tag="kw67299_28" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="logical operators; NOT" tag="kw67299_27" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="Boolean operators; NOT" tag="kw67299_26" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Use this symbol to insert a <span class="T1">Boolean NOT</span> with a placeholder.</help:help-text> You can achieve the same result by directly entering <span class="T1">neg <?></span> in the Commands window.</p>
  231.       </span></th></tr></table>
  232.    <p class="Paragraph"/>
  233.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle11A">
  234.        <draw:image draw:style-name="fr1" draw:name="Grafik11" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="6" xlink:href="66127" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_XANDY" xmlns:help="http://openoffice.org/2000/help"/>
  235.       </span></th><th style="text-align:left;"><span class="Tabelle11B">
  236.        <p class="Paragraph">Boolean AND</p>
  237.        <p class="Paragraph"><help:key-word value="AND" tag="kw67299_25" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="logical operators; AND" tag="kw67299_24" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="Boolean operators; AND" tag="kw67299_23" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Inserts a Boolean AND.</help:help-text> You can also directly enter <span class="T1"><?>and<?></span> in the Commands window.</p>
  238.       </span></th></tr></table>
  239.    <p class="Paragraph"/>
  240.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle12A">
  241.        <draw:image draw:style-name="fr1" draw:name="Grafik12" text:anchor-type="paragraph" svg:width="0.794cm" svg:height="0.794cm" draw:z-index="7" xlink:href="66126" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_XORY" xmlns:help="http://openoffice.org/2000/help"/>
  242.       </span></th><th style="text-align:left;"><span class="Tabelle12B">
  243.        <p class="Paragraph">Boolean OR</p>
  244.        <p class="Paragraph"><help:key-word value="logical operators; OR" tag="kw67299_22" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="Boolean operators; OR" tag="kw67299_21" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="OR" tag="kw67299_20" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Use this symbol to insert a <span class="T1">Boolean OR</span>.</help:help-text> You can also directly enter <span class="T1"><?>or<?></span> in the Commands window.</p>
  245.       </span></th></tr></table>
  246.    <p class="Paragraph"/>
  247.    <table><tr class=""><th style="text-align:left;"><span class="Tabelle15A">
  248.        <draw:image draw:style-name="fr1" draw:name="Grafik17" text:anchor-type="paragraph" svg:width="0.714cm" svg:height="0.714cm" draw:z-index="16" xlink:href="66791" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/><help:help-id value="HID_SMA_XCIRCY" xmlns:help="http://openoffice.org/2000/help"/>
  249.       </span></th><th style="text-align:left;"><span class="Tabelle15B">
  250.        <p class="Paragraph">Concatenate</p>
  251.        <p class="Paragraph"><help:key-word value="concatenating; math symbols" tag="kw67299_19" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Use this symbol to insert a <span class="T1">concatenation sign</span>. </help:help-text> You can also enter <span class="T1">circ</span> in the Commands window.</p>
  252.       </span></th></tr></table>
  253.    <p class="Paragraph"/>
  254.    <p class="Paragraph"><help:key-word value="operators; user-defined unary" tag="kw67299_18" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="unary operators; user-defined" tag="kw67299_17" xmlns:help="http://openoffice.org/2000/help"/>By entering <span class="T1">uoper</span> in the Commands window, you can insert <span class="T1">user-defined unary operators</span>, a feature very useful for incorporating special characters in a formula. Enter <span class="T1">uoper %theta x</span>, for example. The small Greek letter theta appears (a component of the <span class="T1"><help:productname xmlns:help="http://openoffice.org/2000/help">%PRODUCTNAME</help:productname> Math</span> character set). You can also insert characters not in the <help:productname xmlns:help="http://openoffice.org/2000/help">%PRODUCTNAME</help:productname> character set. To do that, first choose <span class="T1">Tools - Symbols - Catalog - Edit</span> to make the character available.</p>
  255.    <p class="Paragraph"><help:key-word value="operators; user-defined binary" tag="kw67299_16" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="binary operators; user-defined" tag="kw67299_15" xmlns:help="http://openoffice.org/2000/help"/>By entering <span class="T1">boper</span> in the Commands window, you can insert <span class="T1">user-defined binary operators</span>, a feature useful for incorporating special characters in a formula. Enter <span class="T1">y boper %theta x</span>, for example. The small Greek letter theta appears. You can also insert characters not in the <help:productname xmlns:help="http://openoffice.org/2000/help">%PRODUCTNAME</help:productname> character set. To do that, first choose <span class="T1">Tools - Symbols - Catalog - Edit</span> to make the character available.</p>
  256.    <p class="Paragraph"><help:key-word value="addition signs; in circle" tag="kw67299_14" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="plus signs; in circle" tag="kw67299_13" xmlns:help="http://openoffice.org/2000/help"/>By entering <span class="T1"><?>oplus<?></span> in the Commands window, you insert a <span class="T1">plus sign in a circle</span> in your document.</p>
  257.    <p class="Paragraph"><help:key-word value="subtraction signs; in circle" tag="kw67299_12" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="minus signs; in circle" tag="kw67299_11" xmlns:help="http://openoffice.org/2000/help"/>Enter <span class="T1"><?>ominus<?></span> in the Commands window to insert a <span class="T1">minus sign in a circle</span>.</p>
  258.    <p class="Paragraph"><help:key-word value="multiplication signs; as dot in circle" tag="kw67299_10" xmlns:help="http://openoffice.org/2000/help"/>Enter <span class="T1"><?>odot<?></span> in the Commands window to insert a <span class="T1">multiplication dot in a circle</span> in the formula.</p>
  259.    <p class="Paragraph"><help:key-word value="division signs; as slash in circle" tag="kw67299_9" xmlns:help="http://openoffice.org/2000/help"/>Enter <span class="T1"><?>odivide<?></span> in the Commands window to insert a <span class="T1">division slash in a circle</span> in the formula.</p>
  260.    <p class="Paragraph"><help:help-id value="HID_SMA_XWIDESLASHY" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="slash division sign; from lower left to upper right" tag="kw67299_8" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="division signs; slash" tag="kw67299_7" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Enter <span class="T1">a wideslash b</span> in the Commands window to produce two characters with a slash (from lower left to upper right) between them.</help:help-text> The characters are set such that everything to the left of the slash is up, and everything to the right is down. This command is also available in the context menu of the Commands window.</p>
  261.    <p class="Paragraph"><help:help-id value="HID_SMA_XWIDEBSLASHY" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="backslash division sign; from upper left to lower right" tag="kw67299_6" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="division signs; backslash" tag="kw67299_5" xmlns:help="http://openoffice.org/2000/help"/><help:help-text value="visible" xmlns:help="http://openoffice.org/2000/help">Enter <span class="T1">a widebslash b</span> in the Commands window to produce two characters with a slash (from upper left to lower right) between them.</help:help-text> The characters are set such that everything to the left of the slash is down, and everything to the right is up. This command is also available in the context menu of the Commands window.</p>
  262.    <p class="Paragraph"><help:key-word value="indexes; adding to formulas" tag="kw67299_4" xmlns:help="http://openoffice.org/2000/help"/><help:key-word value="powers; adding to formulas" tag="kw67299_3" xmlns:help="http://openoffice.org/2000/help"/>Enter <span class="T1">sub</span> or <span class="T1">sup</span> in the Commands window to add <span class="T1">indexes and powers</span> to the characters in your formula, e.g. a sub 2.</p>
  263.    <table><tr class="Tabelle171"><th class="Tabelle17A1" style="text-align:left;"><span class="Tabelle17A">
  264.        <p class="Paragraph"><draw:image draw:style-name="fr3" draw:name="Grafik19" text:anchor-type="paragraph" svg:width="0.847cm" svg:height="0.847cm" draw:z-index="17" xlink:href="66732" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/></p>
  265.       </span></th><th class="Tabelle17A1" style="text-align:left;"><span class="Tabelle17B">
  266.        <p class="Paragraph"><help:key-word value="division signs; as colon" tag="kw67299_2" xmlns:help="http://openoffice.org/2000/help"/>If you want to use a colon ':' as division sign, choose <span class="T1">Tools - Symbols - Catalog</span> or click the <span class="T1">Symbols</span> icon on the main toolbar. Click the <span class="T1">Edit</span> button in the dialog that appears, then select the <span class="T1">Special</span> symbol set. Enter a meaningful name next to <span class="T1">Symbol</span>, e.g. "divide" and then click the colon in the set of symbols. Click <span class="T1">Add</span> and then <span class="T1">OK</span>. Click <span class="T1">OK</span> to close the <span class="T1">Symbols</span> dialog,too. Now you can use the new symbol, in this case the colon, by entering its name in the Commands window, e.g. <span class="T1">a %divide b = c</span>.</p>
  267.       </span></th></tr></table>
  268.    <p class="Paragraph"/>
  269.    <table><tr class="Tabelle141"><th class="Tabelle14A1" style="text-align:left;"><span class="Tabelle14A">
  270.        <p class="Paragraph"><draw:image draw:style-name="fr4" draw:name="Grafik16" text:anchor-type="paragraph" svg:width="0.847cm" svg:height="0.847cm" draw:z-index="15" xlink:href="65640" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad" draw:filter-name="GIF - Graphics Interchange" xmlns:draw="http://openoffice.org/2000/drawing" xmlns:text="http://openoffice.org/2000/text" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"/></p>
  271.       </span></th><th class="Tabelle14A1" style="text-align:left;"><span class="Tabelle14B">
  272.        <p class="Paragraph">When entering information manually in the Commands window, please note that a number of operators require spaces between the elements for the correct structure. This is especially true if you are using values instead of placeholders in your operators, e.g. to construct a division 4 div 3 or a div b.</p>
  273.       </span></th></tr></table>
  274.    <p class="Paragraph"/>
  275.   </body></html>