crb7t-">&#x00A0;a</span><span 
class="pcrb7t-">&#x00A0;=&#x003E;</span><span 
class="pcrb7t-">&#x00A0;Complex</span><span 
class="pcrb7t-">&#x00A0;a</span><span 
class="pcrb7t-">&#x00A0;-&#x003E;</span><span 
class="pcrb7t-">&#x00A0;(a,</span><span 
class="pcrb7t-">&#x00A0;a) </span></td>
</tr></table>                                                                                   </div> <dd class="haddockdesc">
     The function <span 
class="pcrr7t-">polar</span><a 
 id="dx25-220001"></a> takes a comple