<HTML ><HEAD ><TITLE >bcpow</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.44"><LINK REL="HOME" TITLE="PHP Manual" HREF="manual.html"><LINK REL="UP" TITLE="Arbitrary precision mathematics functions" HREF="ref.bc.html"><LINK REL="PREVIOUS" TITLE="bcmul" HREF="function.bcmul.html"><LINK REL="NEXT" TITLE="bcscale" HREF="function.bcscale.html"></HEAD ><BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.bcmul.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.bcscale.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.bcpow" >bcpow</A ></H1 ><DIV CLASS="refnamediv" ><A NAME="AEN3356" ></A >bcpow -- Raise an arbitrary precision number to another. </DIV ><DIV CLASS="refsect1" ><A NAME="AEN3359" ></A ><H2 >Description</H2 ><DIV CLASS="funcsynopsis" ><P ></P ><CODE CLASS="FUNCDEF" >string bcpow</CODE >(string x, string y, int [<SPAN CLASS="optional" >scale</SPAN >] );<P ></P ></DIV ><P > Raise <TT CLASS="parameter" ><I >x</I ></TT > to the power <TT CLASS="parameter" ><I >y</I ></TT >. The optional <TT CLASS="parameter" ><I >scale</I ></TT > can be used to set the number of digits after the decimal place in the result. </P ><P > See also <A HREF="function.bcsqrt.html" ><B CLASS="function" >bcsqrt()</B ></A >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.bcmul.html" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="manual.html" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.bcscale.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >bcmul</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.bc.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >bcscale</TD ></TR ></TABLE ></DIV ></BODY ></HTML >