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<chapter id="functions">

<title>Functions and Operators</title>

<entry><type>double precision</type></entry>

<entry>cube root</entry>

<entry>cbrt(27.0)</entry>

<entry>9.0</entry>

<entry>3.0</entry>

</row>

<row>

<entry><type>numeric</type></entry>

<entry>largest integer not greater than argument</entry>

<entry>floor(-42.8)</entry>

<entry>43</entry>

<entry>-43</entry>

</row>

<row>