[gcalctool] Mention base shortcuts in documentation and how to convert between bases

[Robert Ancell <rancell src gnome org>]

commit 4ff00477a5ba40caf3ac360492763e1448d3f8d0
Author: Robert Ancell <robert ancell gmail com>
Date:   Tue Feb 23 17:02:41 2010 +1100

    Mention base shortcuts in documentation and how to convert between bases

 help/C/base.page |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/help/C/base.page b/help/C/base.page
index 65c193b..da06928 100644
--- a/help/C/base.page
+++ b/help/C/base.page
@@ -27,9 +27,12 @@
     </p>
     </example>
     <p>
-    When in <link xref="mouse">programming mode</link> there are buttons for binary, octal and hexadecimal.
+    When in <link xref="mouse">programming mode</link> there are buttons for binary (<keyseq><key>Ctrl</key><key>B</key></keyseq>), octal (<keyseq><key>Ctrl</key><key>O</key></keyseq>) and hexadecimal (<keyseq><key>Ctrl</key><key>H</key></keyseq>).
     </p>
     <p>
     To set the base that results are shown in change the <link xref="number-display">result format</link>.
     </p>
+    <p>
+    To change the base of the current result use a base button or <keyseq><key>Ctrl</key><key>D</key></keyseq> to show in decimal form.
+    </p>
 </page>