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?>
<div id="book.math" class="book">
 
 <h1 class="title">Mathematical Functions</h1>
 

 
 <div id="intro.math" class="preface">
  <h1 class="title">Introduzione</h1>
  <p class="para">
   These math functions will only handle values within the range of
   the <span class="type"><a href="language.types.integer.php" class="type int">int</a></span> and <span class="type"><a href="language.types.float.php" class="type float">float</a></span> types.
   To handle larger numbers, take a look at the
   <a href="book.bc.php" class="link">arbitrary precision math</a> or
   <a href="book.gmp.php" class="link">GNU Multiple Precision functions</a> functions.
  </p>

  <div class="section">
   <h2 class="title">Vedere anche:</h2>
   <p class="para">
    <ul class="simplelist">
     <li>
      <a href="language.operators.arithmetic.php" class="link">arithmetic operators</a>
     </li>
     <li>
      <a href="book.bc.php" class="link">Arbitrary precision math functions</a>
     </li>
     <li>
      <a href="book.gmp.php" class="link">GNU Multiple Precision functions</a>
     </li>
    </ul>
   </p>
  </div>
 </div>
 

 




 



 








<ul class="chunklist chunklist_book"><li><a href="math.constants.php">Costanti predefinite</a></li><li><a href="enum.roundingmode.php">RoundingMode</a> — The RoundingMode Enum</li><li><a href="ref.math.php">Math Funzioni</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="function.abs.php">abs</a> — Valore assoluto</li><li><a href="function.acos.php">acos</a> — Arco coseno</li><li><a href="function.acosh.php">acosh</a> — Inverso del coseno iperbolico</li><li><a href="function.asin.php">asin</a> — Arco seno</li><li><a href="function.asinh.php">asinh</a> — Inverso del seno iperbolico</li><li><a href="function.atan.php">atan</a> — Arco tangente</li><li><a href="function.atan2.php">atan2</a> — Arco tangente di due variabili</li><li><a href="function.atanh.php">atanh</a> — Inverso della tangente iperbolica</li><li><a href="function.base-convert.php">base_convert</a> — Converte un numero fra basi arbitrarie</li><li><a href="function.bindec.php">bindec</a> — Da binario a decimale</li><li><a href="function.ceil.php">ceil</a> — arrotonda le frazioni all'intero superiore</li><li><a href="function.cos.php">cos</a> — Coseno</li><li><a href="function.cosh.php">cosh</a> — Coseno iperbolico</li><li><a href="function.decbin.php">decbin</a> — Da decimale a binario</li><li><a href="function.dechex.php">dechex</a> — Da decimale a esadecimale</li><li><a href="function.decoct.php">decoct</a> — Da decimale a ottale</li><li><a href="function.deg2rad.php">deg2rad</a> — Converte il numero dato in gradi nell'equivalente espresso in radianti</li><li><a href="function.exp.php">exp</a> — Calcola l'esponente di e (la base logaritmica naturale o di Nepero)</li><li><a href="function.expm1.php">expm1</a> — Restituisce exp(numero) - 1, computato in maniera tale da essere accurato anche se 
     il valore del numero &egrave; vicino a zero</li><li><a href="function.fdiv.php">fdiv</a> — Divides two numbers, according to IEEE 754</li><li><a href="function.floor.php">floor</a> — Arrotonda le frazioni all'intero inferiore</li><li><a href="function.fmod.php">fmod</a> — Returns the floating point remainder (modulo) of the division
  of the arguments</li><li><a href="function.fpow.php">fpow</a> — Raise one number to the power of another, according to IEEE 754</li><li><a href="function.hexdec.php">hexdec</a> — Da esadecimale a decimale</li><li><a href="function.hypot.php">hypot</a> — Restituisce sqrt(num1*num1 + num2*num2)</li><li><a href="function.intdiv.php">intdiv</a> — Integer division</li><li><a href="function.is-finite.php">is_finite</a> — Verifica se un numero dato &egrave; un numero finito</li><li><a href="function.is-infinite.php">is_infinite</a> — Verifica se un dato valore &egrave; infinito</li><li><a href="function.is-nan.php">is_nan</a> — Verifica se un dato valore non sia un numero</li><li><a href="function.log.php">log</a> — Logaritmo naturale</li><li><a href="function.log10.php">log10</a> — Logaritmo base-10</li><li><a href="function.log1p.php">log1p</a> — Restituisce log(1 + numero), computato in maniera tale da essere accurato anche se 
     il valore del numero &egrave; vicino a zero</li><li><a href="function.max.php">max</a> — Trova il valore massimo</li><li><a href="function.min.php">min</a> — Trova il valore minimo</li><li><a href="function.octdec.php">octdec</a> — Da ottale a decimale</li><li><a href="function.pi.php">pi</a> — Restituisce il valore di pi</li><li><a href="function.pow.php">pow</a> — Espressione esponenziale</li><li><a href="function.rad2deg.php">rad2deg</a> — Converte un numero in radianti nell'equivalente numero in gradi</li><li><a href="function.round.php">round</a> — Arrotonda un float</li><li><a href="function.sin.php">sin</a> — Seno</li><li><a href="function.sinh.php">sinh</a> — Seno iperbolico</li><li><a href="function.sqrt.php">sqrt</a> — Radice quadrata</li><li><a href="function.tan.php">tan</a> — Tangente</li><li><a href="function.tanh.php">tanh</a> — Tangente iperbolica</li></ul></li></ul></div><?php manual_footer($setup); ?>