<doc>
  <legacy_id>2007</legacy_id>
  <name>sqrt</name>
  <type>function</type>
  <syntax>
    <example>the sqrt of <i>number</i></example>
    <example>sqrt(<i>number</i>)</example>
  </syntax>
  <library></library>
  <objects>
  </objects>
  <synonyms>
  </synonyms>
  <classification>
    <category>Math, Logic, &amp; Dates</category>
  </classification>
  <references>
    <function tag="exp">exp Function</function>
    <operator tag="^">^ Operator</operator>
  </references>
  <history>
    <introduced version="1.0">Added.</introduced>
  </history>
  <platforms>
    <mac/>
    <windows/>
    <linux/>
    <ios/>
    <android/>
  </platforms>
  <classes>
    <desktop/>
    <server/>
    <web/>
    <mobile/>
  </classes>
  <security>
  </security>
  <summary><glossary tag="return">Returns</glossary> the square root of a number.</summary>
  <examples>
    <example>sqrt(9) <code><i>-- returns 3</i></code></example>
    <example>put sqrt(sideA^2 + sideB^2) into hypotenuseLength</example>
  </examples>
  <description>
    <p>Use the <b>sqrt</b> <control_st tag="function">function</control_st> to find the square root of a number.</p><p/><p><b>Parameters:</b></p><p>The <i>number</i> is any <href tag="../glossary/nondashnegative.xml">non-negative</href> number, or an <glossary tag="expression">expression</glossary> that <glossary tag="evaluate">evaluates</glossary> to such a number.</p><p/><p><b>Value:</b></p><p>The <b>sqrt</b> <control_st tag="function">function</control_st> <glossary tag="return">returns</glossary> a <href tag="../glossary/nondashnegative.xml">non-negative</href> <function tag="number">number</function>.</p><p/><p><b>Comments:</b></p><p>The square root of a <i>number</i> is the number which must be squared to obtain <i>number</i>:<code> sqrt(<i>number</i>)^2 </code>is equal to <i>number</i>.</p>
  </description>
</doc>