<?xml version="1.0" encoding="UTF-8"?>

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<refentry xml:id="function.bcsqrt" xmlns="http://docbook.org/ns/docbook">

<refnamediv>

<refname>bcsqrt</refname>

<refpurpose>

Ottiene la radice quadrata di un numero a precisione arbitraria

</refpurpose>

</refnamediv>

<refsect1>

<title>Descrizione</title>

<methodsynopsis>

<type>string</type><methodname>bcsqrt</methodname>

<methodparam><type>string</type><parameter>operando</parameter></methodparam>

<methodparam choice="opt"><type>int</type><parameter>precisione</parameter></methodparam>

</methodsynopsis>

<para>

Restituisce la radice quadrata di <parameter>operando</parameter>.

Il parametro opzionale <parameter>precisione</parameter> imposta il

numero di cifre dopo il punto decimale nel risultato.

</para>

</refsect1>

<refsect1>

&reftitle.examples;

<example>

<title>esempio di <function>bcsqrt</function></title>

<programlisting role="php">

<![CDATA[

<?php

echo bcsqrt(2, 3); // 1.414

?>

]]>

</programlisting>

</example>

</refsect1>

<refsect1>

&reftitle.seealso;

<para>

<function>bcpow</function>.

</para>

</refsect1>

</refentry>

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