<HTML
><HEAD
><TITLE
>IMLN</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.54"><LINK
REL="HOME"
TITLE="Gnumeric's user manual"
HREF="gnumeric.html"><LINK
REL="UP"
TITLE="Reference"
HREF="function-reference.html#AEN1187"><LINK
REL="PREVIOUS"
TITLE="AMORDEGRC"
HREF="r10501.html"><LINK
REL="NEXT"
TITLE="ERROR.TYPE"
HREF="r10545.html"></HEAD
><BODY
CLASS="REFENTRY"
><DIV
CLASS="NAVHEADER"
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>Gnumeric's user manual</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="r10501.html"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="r10545.html"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="AEN10521"
><A
NAME="GNUMERIC-IMLN"
></A
>IMLN</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN10526"
></A
><H2
>Name</H2
>IMLN&nbsp;--&nbsp;</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN10529"
></A
><H2
>Synopsis</H2
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="SYNOPSIS"
>IMLN(inumber)</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN10531"
></A
><H2
>Description</H2
><P
>IMLN returns the natural logarithm of a complex number. (The result will have an imaginary part between -pi an +pi.  The natural logarithm is not uniquely defined on complex numbers. You may need to add or subtract an even multiple of pi to the imaginary part.)This function is Excel compatible. </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN10534"
></A
><H2
>Examples</H2
><P
></P
><P
>IMLN("3-j") equals 1.15129-0.32175j.</P
><P
></P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN10539"
></A
><H2
>See also</H2
><P
>        <A
HREF="r7086.html#GNUMERIC-IMEXP"
>IMEXP</A
>
,         <A
HREF="r5535.html#GNUMERIC-IMLOG2"
>IMLOG2</A
>
,         <A
HREF="r8704.html#GNUMERIC-IMLOG10"
>IMLOG10</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="r10501.html"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="gnumeric.html"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="r10545.html"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
NAME="GNUMERIC-AMORDEGRC"
></A
>AMORDEGRC</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="function-reference.html#AEN1187"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
NAME="GNUMERIC-ERROR.TYPE"
></A
>ERROR.TYPE</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>