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386 lines
42 KiB
HTML
386 lines
42 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head>
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<title>Mathematische Funktionen</title>
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<meta name="description" content="Funktionsübersicht Mathematische Funktionen">
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<meta name="author" content="Damir Enseleit, mail@selfphp.info">
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<meta name="DC.Contributer" content="Matthias Hupp, m.hupp@selfphp3.de">
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<meta name="DC.Publisher" content="Damir Enseleit, mail@selfphp.info">
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<meta name="DC.Date" content="2001-08-06T12:18+01:00">
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<meta name="DC.Identifier" content="http://www.selfphp3.de/funktionsuebersicht/mathematische_funktionen.html">
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<meta name="SELF.Pagetype" content="Information">
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<meta name="SELF.Path" content="SELFPHP == ../index.php // Funktionsübersicht == index.html">
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</head>
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<body bgcolor="#FFFFFF" text="#000000" link="#AA5522" vlink="#772200" alink="#000000">
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<table cellpadding="4" cellspacing="0" border="0" width="100%">
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<tr>
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<td bgcolor="#FFEEDD" class="nav"><a class="an" name="top"><img src="../src/refkap.gif" width="16" height="13" border="0" alt="Teil von"></a>
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<a href="../index.html"><b>SELFPHP</b></a>/<a href="../navigation/index.html">Navigationshilfen</a>
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<img src="../src/refkap.gif" width="16" height="13" border="0" alt="Teil von">
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<a href="index.html"><b>Funktionsübersicht</b></a> </td>
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<table cellpadding="4" cellspacing="0" border="0" width="100%">
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<tr>
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<td bgcolor="#EEEEEE" class="doc" width="110"><img src="../src/logo.gif" width="106" height="109" border="0" alt="SEL.html"></td>
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<td bgcolor="#EEEEEE" class="doc" valign="bottom" width="100%">
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<h2>Mathematische Funktionen</h2></td>
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</tr>
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<tr>
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<td bgcolor="#EEEEEE" class="doc" valign="top" align="center"> <img src="../src/dokx.gif" width="30" height="20" vspace="6" border="0" alt="Informationsseite">
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</td>
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<td bgcolor="#FFFFFF" valign="top" nowrap>
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<p> <img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#abs"><b>abs</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#acos"><b>acos</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#asin"><b>asin</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#atan"><b>atan</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#atan2"><b>atan2</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#base_convert"><b>base_convert</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#bcadd"><b>bcadd</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#bccomp"><b>bccomp</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#bcdiv"><b>bcdiv</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#bcmod"><b>bcmod</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#bcmul"><b>bcmul</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#bcpow"><b>bcpow</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#bcscale"><b>bcscale</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#bcsqrt"><b>bcsqrt</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#bcsub"><b>bcsub</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#bindec"><b>bindec</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#ceil"><b>ceil</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#cos"><b>cos</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#decbin"><b>decbin</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#dechex"><b>dechex</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#decoct"><b>decoct</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#deg2rad"><b>deg2rad</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#exp"><b>exp</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#floor"><b>floor</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#getrandmax"><b>getrandmax</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#hexdec"><b>hexdec</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#log"><b>log</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#log10"><b>log10</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#max"><b>max</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#min"><b>min</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#mt_getrandmax"><b>mt_getrandmax</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#mt_rand"><b>mt_rand</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#mt_srand"><b>mt_srand</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#number_format"><b>number_format</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#octdec"><b>octdec</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#pi"><b>pi</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#pow"><b>pow</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#rad2deg"><b>rad2deg</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#rand"><b>rand</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#round"><b>round</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#sin"><b>sin</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#sqrt"><b>sqrt</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#srand"><b>srand</b></a><br>
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<img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#tan"><b>tan</b></a><br>
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</p>
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</td>
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</tr>
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<tr>
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<td colspan=3 bgcolor="#EEEEEE" class="doc"><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> </td>
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</tr>
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</table>
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<h2 class="Sh2"><a class="an" name="abs">abs</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">mixed <b>abs</b> (mixed number)
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<br>(PHP 3, PHP 4 >= 4.0b1)
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<br>Gibt den Absolutwert einer Zahl aus
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/abs.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="acos">acos</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">float <b>acos</b> (float arg)
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<br>(PHP 3, PHP 4 >= 4.0b1)
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<br>Gibt den Arcuscosinus-Wert im Bogenmass aus
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/acos.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="asin">asin</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">float <b>asin</b> (float arg)
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<br>(PHP 3, PHP 4 >= 4.0b1)
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<br>Gibt den Arcussinus-Wert im Bogenmass aus
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/asin.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="atan">atan</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">float <b>atan</b> (float arg)
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<br>(PHP 3, PHP 4 >= 4.0b1)
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<br>Gibt den Arcustangens-Wert im Bogenmass aus
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/atan.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="atan2">atan2</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">float <b>atan2</b> (float y, float x)
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<br>(PHP 3>= 3.0.5, PHP 4 >= 4.0b1)
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<br>Gibt den Arcustangens-Wert im Bogenmass aus
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/atan2.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="base_convert">base_convert</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">strin <b>base_convert</b> (string number, int frombase, int tobase)
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<br>(PHP 3>= 3.0.6, PHP 4 >= 4.0b1)
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<br>Konvertiert beliebige Zahlen zu anderen Basen
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/base_convert.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="bcadd">bcadd</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">string <b>bcadd</b> (string linker Operand, string rechter Operand [, int Genauigkeit])
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<br>(PHP 3, PHP 4 >= 4.0b1)
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<br>Addiert zwei Zahlen
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/bcadd.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="bccomp">bccomp</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">int <b>bccomp</b> (string linker Operand, string rechter Operand [, int Genauigkeit])
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<br>(PHP 3, PHP 4 >= 4.0b1)
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<br>Vergleicht zwei Zahlen miteinander
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/bccomp.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="bcdiv">bcdiv</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">string <b>bcdiv</b> (string linker Operand, string rechter Operand [, int Genauigkeit])
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<br>(PHP 3, PHP 4 >= 4.0b1)
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<br>Dividiert zwei Zahlen
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/bcdiv.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="bcmod">bcmod</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">string <b>bcmod</b> (string linker Operand, string Modulus)
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<br>(PHP 3, PHP 4 >= 4.0b1)
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<br>Liefert den Modulus-Wert zweier Zahlen
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/bcmod.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="bcmul">bcmul</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">string <b>bcmul</b> (string linker Operand, string rechter Operand [, int Genauigkeit])
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<br>(PHP 3, PHP 4 >= 4.0b1)
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<br>Multipliziert zwei Zahlen
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/bcmul.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="bcpow">bcpow</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">string <b>bcpow</b> (string x, string y [, int Genauigkeit])
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<br>(PHP 3, PHP 4 >= 4.0b1)
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<br>Potenziert zwei Zahlen
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/bcpow.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="bcscale">bcscale</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">string <b>bcscale</b> (int Genauigkeit)
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<br>(PHP 3, PHP 4 >= 4.0b1)
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<br>Bestimmt die Genauigkeit aller folgenden BC-Funktionen
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/bcscale.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table><h2 class="Sh2"><a class="an" name="bcsqrt">bcsqrt</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">string <b>bcsqrt</b> (string Operand, int Genauigkeit)
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<br>(PHP 3, PHP 4 >= 4.0b1)
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<br>Ermittelt die Quadratwurzel einer Zahl
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<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/bcsqrt.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="bcsub">bcsub</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">string <b>bcsub</b> (string linker Operand, string rechter Operand [, int Genauigkeit])
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Subtrahiert zwei Zahlen
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/bcsub.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="bindec">bindec</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">int <b>bindec</b> (string binary_string)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Konvertiert eine bin<69>re Zahl in eine dezimale Zahl
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/bindec.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="ceil">ceil</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">int <b>ceil</b> (float number)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Rundet auf die n<>chsth<74>here ganze Zahl aus
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/ceil.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="cos">cos</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">float <b>cos</b> (float arg)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Ermittelt den Cosinuswert im Radianten
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/cos.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="decbin">decbin</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">string <b>decbin</b> (int number)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Konvertiert eine dezimale Zahl in eine bin<69>re Zahl
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/decbin.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="dechex">dechex</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">string <b>dechex</b> (int number)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Konvertiert eine dezimale Zahl in eine hexadezimale Zahl
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/dechex.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="decoct">decoct</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">string <b>decoct</b> (int number)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Konvertiert eine dezimale Zahl in eine oktale Darstellung
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/decoct.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="deg2rad">deg2rad</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">double <b>deg2rad</b> (double number)
|
||
<br>(PHP 3>= 3.0.4, PHP 4 >= 4.0b1)
|
||
<br>Rechnet eine Gradzahl in Bogenmass um
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/deg2rad.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="exp">exp</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">float <b>exp</b> (float arg)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Eine Zahl wird mit e potenziert
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/exp.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="floor">floor</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">int <b>floor</b> (float number)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Rundet auf die n<>chstkleinere ganze Zahl ab
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/floor.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="getrandmax">getrandmax</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">int <b>getrandmax</b> (void)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Ermittelt den gr<67><72>ten Wert des Betriebssystem
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/getrandmax.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="hexdec">hexdec</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">int <b>hexdec</b> (string hex_string)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Konvertiert eine hexadezimale Zahl in eine dezimale Zahl
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/hexdec.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="log">log</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">float <b>log</b> (float arg)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Ermittelt den nat<61>rlichen Logarithmus
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/log.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="log10">log10</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">float <b>log10</b> (float arg)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Ermittelt den Zehner-Logarithmus
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/log10.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="max">max</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">mixed <b>max</b> (mixed arg1, mixed arg2, mixed argn)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Ermittelt die gr<67><72>te Zahl innerhalb eines Arrays
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/max.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="min">min</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">mixed <b>min</b> (mixed arg1, mixed arg2, mixed argn)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Ermittelt die kleinste Zahl eines Arrays
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/min.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="mt_getrandmax">mt_getrandmax</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">int <b>mt_getrandmax</b> (void)
|
||
<br>(PHP 3>= 3.0.6, PHP 4 >= 4.0b1)
|
||
<br>Ermittelt den gr<67><72>ten Wert eines Betriebssystem
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/mt_getrandmax.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="mt_rand">mt_rand</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">int <b>mt_rand</b> ([int min [, int max]])
|
||
<br>(PHP 3>= 3.0.6, PHP 4 >= 4.0b1)
|
||
<br>Ermittelt Zufallszahlen
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/mt_rand.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="mt_srand">mt_srand</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">void <b>mt_srand</b> (int seed)
|
||
<br>(PHP 3>= 3.0.6, PHP 4 >= 4.0b1)
|
||
<br>Legt einen internen Startwert f<>r Zufallszahlen fest
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/mt_srand.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="number_format">number_format</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">string <b>number_format</b> (float number [, int decimals [, string dec_point [, string thousands_sep]]])
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Formatiert eine Zahl
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/number_format.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="octdec">octdec</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">int <b>octdec</b> (string octal_string)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Konvertiert eine oktale Zahl in eine dezimale Zahl
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/octdec.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="pi">pi</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">double <b>pi</b> (void)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Errechnet den N<>hrungswert der Kreiszahl Pi
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/pi.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="pow">pow</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">float <b>pow</b> (float base, float exp)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Potenziert eine Zahl
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/pow.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="rad2deg">rad2deg</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">double <b>rad2deg</b> (double number)
|
||
<br>(PHP 3>= 3.0.4, PHP 4 >= 4.0b1)
|
||
<br>Rechnet eine Zahl vom Bogenmass in Grad um
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/rad2deg.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="rand">rand</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">int <b>rand</b> ([int min [, int max]])
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Ermittelt eine Zufallszahl
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/rand.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
|
||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="round">round</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">double <b>round</b> (double val [, int precision])
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Rundet eine Zahl auf oder ab
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/round.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="sin">sin</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">float <b>sin</b> (float arg)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Ermittelt den Sinuswert im Radianten
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/sin.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="sqrt">sqrt</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">float <b>sqrt</b> (float arg)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Ermittelt die Quadratwurzel einer Zahl
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/sqrt.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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||
<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="srand">srand</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">void <b>srand</b> (int seed)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Legt den internen Startwert f<>r den Zufallsgenerator fest
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/srand.html">Detailbeschreibung</a><br></td></tr></table><p> </p>
|
||
<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
|
||
</td></tr></table><h2 class="Sh2"><a class="an" name="tan">tan</a></h2><table width="100%" cellpadding=10><tr><td class="xmpcode" bgcolor="#E4EEFF">float <b>tan</b> (float arg)
|
||
<br>(PHP 3, PHP 4 >= 4.0b1)
|
||
<br>Ermittelt den Tangens im Radianten
|
||
<br><img src="../src/dok.gif" width="15" height="10" border="0"> <a href="../funktionsreferenz/mathematische_funktionen/tan.html">Detailbeschreibung</a><br></td></tr></table>
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||
<p> </p>
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<td bgcolor="#EEEEEE" class="doc" align="right" width="110">weiter:<a href="microsoft_sql_server_funktionen.html"><img src="../src/next.gif" width="10" height="10" border="0" hspace="10" alt="weiter"></a></td>
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<a href="microsoft_sql_server_funktionen.html"><b>Microsoft SQL Server Funktionen</b></a>
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