<?xml version="1.0" encoding="utf-8"?><!DOCTYPE article  PUBLIC '-//OASIS//DTD DocBook XML V4.4//EN'  'http://www.docbook.org/xml/4.4/docbookx.dtd'><article><articleinfo><title>FAQ/aster</title><revhistory><revision><revnumber>2</revnumber><date>2013-03-08 10:17:38</date><authorinitials>localhost</authorinitials><revremark>converted to 1.6 markup</revremark></revision><revision><revnumber>1</revnumber><date>2012-01-18 16:54:06</date><authorinitials>PeterWatson</authorinitials></revision></revhistory></articleinfo><section><title>How do I evaluate a number to a general power in SPSS?</title><para>The power function in SPSS is denoted by the double asterisks. So, for example, to take the third power of variable A we would write the below: </para><screen><![CDATA[COMPUTE EFFECT = A**0.333.]]></screen></section></article>