diff --git a/HISTORY b/HISTORY
index e4e74dcd..871c02ff 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,5 +1,8 @@
 amath release history
 
+v1.8.4 August 05 2017
+- Ignore casing in hexadecimal numbers.
+
 v1.8.3 July 21 2017
 - Updated help texts and man page.
 - Fixed bug in ANSI switch.
diff --git a/src/amath.h b/src/amath.h
index 9dbffb82..0d6d7ed7 100644
--- a/src/amath.h
+++ b/src/amath.h
@@ -281,9 +281,9 @@ typedef int bool;
 #endif
 /******************************************************************************/
 #define TXTARCH          TXTCPU TXTFPU
-#define RELDATESTAMP     "(21-07-2017)"
-#define TXTDOSVERSION    "\0$VER: amath 1.83" SPACE RELDATESTAMP SPACE TXTARCH
-#define TXTTITLE         "amath version 1.8.3"
+#define RELDATESTAMP     "(05-08-2018)"
+#define TXTDOSVERSION    "\0$VER: amath 1.84" SPACE RELDATESTAMP SPACE TXTARCH
+#define TXTTITLE         "amath version 1.8.4"
 #define TXTCOPYRIGHT     "(c) 2018 Carsten Sonne Larsen"
 #define TXTSTARTMSG      TXTTITLE SPACE TXTCOPYRIGHT
 /******************************************************************************/
diff --git a/src/main.h b/src/main.h
index 7dfff4f8..1c410b82 100644
--- a/src/main.h
+++ b/src/main.h
@@ -261,7 +261,10 @@
   \page    release_page Release history
   \section release_sec  Release history
 
-  \subsection version182 1.8.3 July 21 2017
+  \subsection version184 1.8.4 August 05 2017
+  - Ignore casing in hexadecimal numbers.
+
+  \subsection version183 1.8.3 July 21 2017
   - Updated help texts and man page.
   - Fixed bug in ANSI switch.