diff --git a/reference/bc/book.xml b/reference/bc/book.xml
new file mode 100644
index 0000000000..5b79a5b5d6
--- /dev/null
+++ b/reference/bc/book.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- $Revision: 1.2 $ -->
+<!-- Purpose: mathcrypto.math -->
+<!-- Membership: bundled -->
+ 
+<book xml:id="book.bc" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+ <title>BCMath Arbitrary Precision Mathematics</title>
+ <titleabbrev>BC Math</titleabbrev>
+ 
+ <!-- {{{ preface -->
+ <preface xml:id="intro.bc">
+  &reftitle.intro;
+  <para>
+    For arbitrary precision mathematics PHP offers the Binary Calculator which
+    supports numbers of any size and precision, represented as strings.
+  </para>
+ </preface>
+ <!-- }}} -->
+ 
+ &reference.bc.setup;
+ &reference.bc.constants;
+ &reference.bc.reference;
+
+</book>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"../../../manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
+
diff --git a/reference/bc/constants.xml b/reference/bc/constants.xml
new file mode 100644
index 0000000000..161191bcc8
--- /dev/null
+++ b/reference/bc/constants.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- $Revision: 1.2 $ -->
+
+<appendix xml:id="bc.constants" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+ &reftitle.constants;
+ &no.constants;
+</appendix>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"../../../manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
+
diff --git a/reference/bc/reference.xml b/reference/bc/reference.xml
index 8395fc03a7..413ae9889d 100644
--- a/reference/bc/reference.xml
+++ b/reference/bc/reference.xml
@@ -1,47 +1,13 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.9 $ -->
-<!-- Purpose: mathcrypto.math -->
-<!-- Membership: bundled -->
+<!-- $Revision: 1.10 $ -->
 
- <reference xml:id="ref.bc" xmlns="http://docbook.org/ns/docbook">
-  <title>BCMath Arbitrary Precision Mathematics Functions</title>
-  <titleabbrev>BC math</titleabbrev>
+<reference xml:id="ref.bc" xmlns="http://docbook.org/ns/docbook">
+ <title>BC Math &Functions;</title>
 
-  <partintro>
-   <section xml:id="bc.intro">
-    &reftitle.intro;
-    <para>
-     For arbitrary precision mathematics PHP offers the Binary Calculator which
-     supports numbers of any size and precision, represented as strings.
-    </para>
-   </section>
+ &reference.bc.entities.functions;
 
-   <section xml:id="bc.requirements">
-    &reftitle.required;
-    <para>
-     Since PHP 4.0.4, libbcmath is bundled with PHP. You don't need any
-     external libraries for this extension.
-    </para>
-   </section>
+</reference>
 
-   &reference.bc.configure;
-
-   &reference.bc.ini;
-
-   <section xml:id="bc.resources">
-    &reftitle.resources;
-    &no.resource;
-   </section>
-
-   <section xml:id="bc.constants">
-    &reftitle.constants;
-    &no.constants;
-   </section>
-  </partintro>
-
-&reference.bc.entities.functions;
-
- </reference>
 <!-- Keep this comment at the end of the file
 Local variables:
 mode: sgml
diff --git a/reference/bc/setup.xml b/reference/bc/setup.xml
new file mode 100644
index 0000000000..9296ab39e2
--- /dev/null
+++ b/reference/bc/setup.xml
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- $Revision: 1.2 $ -->
+
+<chapter xml:id="bc.setup" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+ &reftitle.setup;
+
+ <!-- {{{ Requirements -->
+ <section xml:id="bc.requirements">
+  &reftitle.required;
+  <para>
+   Since PHP 4.0.4, libbcmath is bundled with PHP. You don't need any
+   external libraries for this extension.
+  </para>
+ </section>
+ <!-- }}} -->
+
+ <!-- {{{ Installation -->
+ &reference.bc.configure;
+ <!-- }}} -->
+
+ <!-- {{{ Configuration -->
+ &reference.bc.ini;
+ <!-- }}} -->
+
+ <!-- {{{ Resources -->
+ <section xml:id="bc.resources">
+  &reftitle.resources;
+  &no.resource;
+ </section>
+ <!-- }}} -->
+
+</chapter>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"../../../manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
+