diff --git a/cmCsv.c b/cmCsv.c
index 5b594e3..e18373e 100644
--- a/cmCsv.c
+++ b/cmCsv.c
@@ -729,6 +729,20 @@ unsigned   cmCsvInsertSymUInt(   cmCsvH_t h, unsigned v )
   return cmInvalidId;
 }
 
+unsigned   cmCsvInsertSymHex(   cmCsvH_t h, unsigned v )
+{
+  const char* fmt = "0x%x";
+  unsigned    n   = snprintf(NULL,0,fmt,v)+1;
+  char        buf[n];
+
+  buf[0]= 0;
+  if( snprintf(buf,n,fmt,v) == n-1 )
+    return cmCsvInsertSymText(h,buf);
+  
+  _cmCsvError(_cmCsvHandleToPtr(h),kDataCvtErrCsvRC,"The unsigned int 0x%x could not be converted to text.",v);
+  return cmInvalidId;
+}
+
 unsigned   cmCsvInsertSymFloat(  cmCsvH_t h, float v )
 {
   const char* fmt = "%f";
@@ -812,6 +826,24 @@ cmCsvRC_t  cmCsvSetCellUInt(   cmCsvH_t h, unsigned row, unsigned col, unsigned
   return kOkCsvRC;  
 }
 
+cmCsvRC_t  cmCsvSetCellHex(   cmCsvH_t h, unsigned row, unsigned col, unsigned v )
+{
+  cmCsvCell_t* cp;
+  unsigned     symId;
+
+  if((cp = _cmCsvCellPtr(h,row,col)) == NULL )
+    return cmErrLastRC(&_cmCsvHandleToPtr(h)->err);
+
+  if((symId = cmCsvInsertSymHex(h,v)) == cmInvalidId )
+    return cmErrLastRC(&_cmCsvHandleToPtr(h)->err);
+  
+  cp->symId = symId;
+  cp->flags &= !kTypeTMask;
+  cp->flags |= kIntCsvTFl;
+
+  return kOkCsvRC;  
+}
+
 cmCsvRC_t  cmCsvSetCellFloat(  cmCsvH_t h, unsigned row, unsigned col, float v )
 {
   cmCsvCell_t* cp;
@@ -985,7 +1017,7 @@ cmCsvRC_t  cmCsvInsertTextColAfter(   cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCs
   cmCsvCell_t* ncp;
 
   if( cellPtrPtr != NULL )
-    cellPtrPtr = NULL;
+    *cellPtrPtr = NULL;
 
   if((rc = cmCsvInsertColAfter(h, leftCellPtr, &ncp, cmInvalidId, 0, lexTId )) == kOkCsvRC )
     if((rc = cmCsvSetCellText(h, ncp->row, ncp->col, text )) == kOkCsvRC )
@@ -1001,7 +1033,7 @@ cmCsvRC_t  cmCsvInsertIntColAfter(    cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCs
   cmCsvCell_t* ncp;
 
   if( cellPtrPtr != NULL )
-    cellPtrPtr = NULL;
+    *cellPtrPtr = NULL;
 
   if((rc = cmCsvInsertColAfter(h, leftCellPtr, &ncp, cmInvalidId, 0, lexTId )) == kOkCsvRC )
     if((rc = cmCsvSetCellInt(h, ncp->row, ncp->col, val )) == kOkCsvRC )
@@ -1017,7 +1049,7 @@ cmCsvRC_t  cmCsvInsertUIntColAfter(   cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCs
   cmCsvCell_t* ncp;
 
   if( cellPtrPtr != NULL )
-    cellPtrPtr = NULL;
+    *cellPtrPtr = NULL;
 
   if((rc = cmCsvInsertColAfter(h, leftCellPtr, &ncp, cmInvalidId, 0, lexTId )) == kOkCsvRC )
     if((rc = cmCsvSetCellUInt(h, ncp->row, ncp->col, val )) == kOkCsvRC )
@@ -1027,13 +1059,29 @@ cmCsvRC_t  cmCsvInsertUIntColAfter(   cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCs
   return rc;
 }
 
+cmCsvRC_t  cmCsvInsertHexColAfter(   cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, unsigned val, unsigned lexTId )
+{
+  cmCsvRC_t    rc;
+  cmCsvCell_t* ncp;
+
+  if( cellPtrPtr != NULL )
+    *cellPtrPtr = NULL;
+
+  if((rc = cmCsvInsertColAfter(h, leftCellPtr, &ncp, cmInvalidId, 0, lexTId )) == kOkCsvRC )
+    if((rc = cmCsvSetCellHex(h, ncp->row, ncp->col, val )) == kOkCsvRC )
+      if( cellPtrPtr != NULL )
+        *cellPtrPtr = ncp;
+  
+  return rc;
+}
+
 cmCsvRC_t  cmCsvInsertFloatColAfter(  cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, float val, unsigned lexTId )
 {
   cmCsvRC_t    rc;
   cmCsvCell_t* ncp;
 
   if( cellPtrPtr != NULL )
-    cellPtrPtr = NULL;
+    *cellPtrPtr = NULL;
 
   if((rc = cmCsvInsertColAfter(h, leftCellPtr, &ncp, cmInvalidId, 0, lexTId )) == kOkCsvRC )
     if((rc = cmCsvSetCellFloat(h, ncp->row, ncp->col, val )) == kOkCsvRC )
@@ -1049,7 +1097,7 @@ cmCsvRC_t  cmCsvInsertDoubleColAfter( cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCs
   cmCsvCell_t* ncp;
 
   if( cellPtrPtr != NULL )
-    cellPtrPtr = NULL;
+    *cellPtrPtr = NULL;
 
   if((rc = cmCsvInsertColAfter(h, leftCellPtr, &ncp, cmInvalidId, 0, lexTId )) == kOkCsvRC )
     if((rc = cmCsvSetCellDouble(h, ncp->row, ncp->col, val )) == kOkCsvRC )
diff --git a/cmCsv.h b/cmCsv.h
index d3b7b06..e686c1c 100644
--- a/cmCsv.h
+++ b/cmCsv.h
@@ -109,13 +109,16 @@ extern "C" {
   unsigned   cmCsvInsertSymText(   cmCsvH_t h, const char* text );
   unsigned   cmCsvInsertSymInt(    cmCsvH_t h, int v );
   unsigned   cmCsvInsertSymUInt(   cmCsvH_t h, unsigned v );
+  unsigned   cmCsvInsertSymHex(    cmCsvH_t h, unsigned v );
   unsigned   cmCsvInsertSymFloat(  cmCsvH_t h, float v );
   unsigned   cmCsvInsertSymDouble( cmCsvH_t h, double v );  
 
+
   // Set the value associated with a cell.
   cmCsvRC_t  cmCsvSetCellText(   cmCsvH_t h, unsigned row, unsigned col, const char* text );
   cmCsvRC_t  cmCsvSetCellInt(    cmCsvH_t h, unsigned row, unsigned col, int v );
   cmCsvRC_t  cmCsvSetCellUInt(   cmCsvH_t h, unsigned row, unsigned col, unsigned v );
+  cmCsvRC_t  cmCsvSetCellHex(    cmCsvH_t h, unsigned row, unsigned col, unsigned v );
   cmCsvRC_t  cmCsvSetCellFloat(  cmCsvH_t h, unsigned row, unsigned col, float v );
   cmCsvRC_t  cmCsvSetCellDouble( cmCsvH_t h, unsigned row, unsigned col, double v );
 
@@ -134,6 +137,7 @@ extern "C" {
   cmCsvRC_t  cmCsvInsertTextColAfter(   cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, const char* val, unsigned lexTId );
   cmCsvRC_t  cmCsvInsertIntColAfter(    cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, int val,         unsigned lexTId );
   cmCsvRC_t  cmCsvInsertUIntColAfter(   cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, unsigned val,    unsigned lexTId );
+  cmCsvRC_t  cmCsvInsertHexColAfter(    cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, unsigned val,    unsigned lexTId );
   cmCsvRC_t  cmCsvInsertFloatColAfter(  cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, float val,       unsigned lexTId );
   cmCsvRC_t  cmCsvInsertDoubleColAfter( cmCsvH_t h, cmCsvCell_t* leftCellPtr, cmCsvCell_t** cellPtrPtr, double val,      unsigned lexTId );