diff --git a/man/ChangeLog b/man/ChangeLog
index 146b4774b7a..648e3a10442 100644
--- a/man/ChangeLog
+++ b/man/ChangeLog
@@ -2,6 +2,8 @@
 
 	* calc.texi (Basic Operations on Units): Mention default
 	values for new units.
+	(Quick Calculator Mode): Mention that binary format will
+	be displayed.
 
 2007-08-10  Katsumi Yamaoka  <yamaoka@jpl.org>
 
diff --git a/man/calc.texi b/man/calc.texi
index 466634a9b93..c2278639a87 100644
--- a/man/calc.texi
+++ b/man/calc.texi
@@ -10166,8 +10166,8 @@ then the result of the evaluation is stored in that Calc variable.
 @xref{Store and Recall}.
 
 If the result is an integer and the current display radix is decimal,
-the number will also be displayed in hex and octal formats.  If the
-integer is in the range from 1 to 126, it will also be displayed as
+the number will also be displayed in hex, octal and binary formats.  If
+the integer is in the range from 1 to 126, it will also be displayed as
 an ASCII character.
 
 For example, the quoted character @samp{"x"} produces the vector