diff --git a/Packages/Triangulation_3/changes.txt b/Packages/Triangulation_3/changes.txt
index e95df08579b..0e56b369831 100644
--- a/Packages/Triangulation_3/changes.txt
+++ b/Packages/Triangulation_3/changes.txt
@@ -1,3 +1,6 @@
+Version 1.76 (19 July 01)
+- Make demos and examples use Filtered_kernel.
+
 Version 1.75 (18 July 01)
 - Fix return type of Compare_distance_3 in the HierarchyTraits_3 doc.
 - Remove constructors for vertices in the doc.
diff --git a/Packages/Triangulation_3/demo/Triangulation_3/README b/Packages/Triangulation_3/demo/Triangulation_3/README
index 20f46ff1453..2a2042cfc89 100644
--- a/Packages/Triangulation_3/demo/Triangulation_3/README
+++ b/Packages/Triangulation_3/demo/Triangulation_3/README
@@ -1,9 +1,7 @@
 The demos use Geomview
 [see the chapter Geomview in the cgal manual - support library:
-Geomview 1.8.1 is required.
-Important: The last line in the startup file .geomview must be (echo
-"started"). The two commands rsh and Geomview must be in the user's
-path, otherwise the program will not be able to execute.]
+Geomview 1.8.1 is required.  The geomview command must be in the user's $PATH,
+otherwise the program will not be able to execute.]
 
 ------- demo -------------------------------------------------
 Construction of a Delaunay triangulation.
@@ -17,10 +15,6 @@ Locates a point a shows the cell containing it
 Draws the triangulation (edges and cells) in geomview,
 then the user can move one of the two displayed versions
 of the triangulation.
-
-This demo program uses "doubles". 
-For a robust version, CGAL::Filtered_exact<double, CGAL::MP_Float> 
-should be used.
 --------------------------------------------------------------
 
 ------- demo_color -------------------------------------------
@@ -43,4 +37,3 @@ Constructs a Delaunay triangulation for points on a grid.
 
 Then removes all the vertices in random order
 --------------------------------------------------------------
-
diff --git a/Packages/Triangulation_3/demo/Triangulation_3/demo.C b/Packages/Triangulation_3/demo/Triangulation_3/demo.C
index 29d74d80ea1..a7bc3c6f0d2 100644
--- a/Packages/Triangulation_3/demo/Triangulation_3/demo.C
+++ b/Packages/Triangulation_3/demo/Triangulation_3/demo.C
@@ -30,21 +30,11 @@ int main()
 }
 #else
 
-#include <CGAL/Cartesian.h>
-
-// Workaround for VC++ necessary for Filtered_exact.
-#ifdef CGAL_CFG_MATCHING_BUG_2
-#  define CGAL_IA_CT double
-#  define CGAL_IA_PROTECTED true
-#  define CGAL_IA_CACHE No_Filter_Cache
-#  define CGAL_IA_ET CGAL::MP_Float
-#endif
+#include <CGAL/Simple_cartesian.h>
+#include <CGAL/Filtered_kernel.h>
 
 #include <CGAL/Delaunay_triangulation_3.h>
 
-#include <CGAL/MP_Float.h>
-#include <CGAL/Filtered_exact.h>
-
 #include <CGAL/IO/Geomview_stream.h>
 #include <CGAL/IO/Triangulation_geomview_ostream_3.h>
 
@@ -53,11 +43,7 @@ int main()
 #include <unistd.h>
 #include <list>
 
-// using Filtered_exact number type is advised :
-
-typedef CGAL::Filtered_exact<double, CGAL::MP_Float> NT;
-
-typedef CGAL::Cartesian<NT> K;
+typedef CGAL::Filtered_kernel<CGAL::Simple_cartesian<double> > K;
 
 typedef CGAL::Triangulation_3<K> Triangulation;
 typedef CGAL::Delaunay_triangulation_3<K> Delaunay;
diff --git a/Packages/Triangulation_3/demo/Triangulation_3/demo_color.C b/Packages/Triangulation_3/demo/Triangulation_3/demo_color.C
index 1d8868d7ff5..626affbff45 100644
--- a/Packages/Triangulation_3/demo/Triangulation_3/demo_color.C
+++ b/Packages/Triangulation_3/demo/Triangulation_3/demo_color.C
@@ -30,21 +30,11 @@ int main()
 }
 #else
 
-#include <CGAL/Cartesian.h>
-
-// Workaround for VC++ necessary for Filtered_exact.
-#ifdef CGAL_CFG_MATCHING_BUG_2
-#  define CGAL_IA_CT double
-#  define CGAL_IA_PROTECTED true
-#  define CGAL_IA_CACHE No_Filter_Cache
-#  define CGAL_IA_ET CGAL::MP_Float
-#endif
+#include <CGAL/Simple_cartesian.h>
+#include <CGAL/Filtered_kernel.h>
 
 #include <CGAL/Delaunay_triangulation_3.h>
 
-#include <CGAL/MP_Float.h>
-#include <CGAL/Filtered_exact.h>
-
 #include <CGAL/IO/Geomview_stream.h>
 #include <CGAL/IO/Triangulation_geomview_ostream_3.h>
 
@@ -73,11 +63,7 @@ public :
     {} 
 };
 
-// using Filtered_exact number type is advised :
-
-typedef CGAL::Filtered_exact<double, CGAL::MP_Float> NT;
-
-typedef CGAL::Cartesian<NT> K;
+typedef CGAL::Filtered_kernel<CGAL::Simple_cartesian<double> > K;
 
 typedef K::Point_3 Point;
 
diff --git a/Packages/Triangulation_3/demo/Triangulation_3/demo_remove.C b/Packages/Triangulation_3/demo/Triangulation_3/demo_remove.C
index 99dcb29e8ad..eb96dcff5ae 100644
--- a/Packages/Triangulation_3/demo/Triangulation_3/demo_remove.C
+++ b/Packages/Triangulation_3/demo/Triangulation_3/demo_remove.C
@@ -31,30 +31,19 @@ int main()
 #else
 
 #include <CGAL/Cartesian.h>
-
-// Workaround for VC++ necessary for Filtered_exact.
-#ifdef CGAL_CFG_MATCHING_BUG_2
-#  define CGAL_IA_CT double
-#  define CGAL_IA_PROTECTED true
-#  define CGAL_IA_CACHE No_Filter_Cache
-#  define CGAL_IA_ET CGAL::MP_Float
-#endif
+#include <CGAL/Filtered_kernel.h>
 
 #include <CGAL/Triangulation_3.h>
 #include <CGAL/Delaunay_triangulation_3.h>
 #include <CGAL/Triangulation_hierarchy_3.h>
 
-#include <CGAL/MP_Float.h>
-#include <CGAL/Filtered_exact.h>
-
 #include <CGAL/IO/Geomview_stream.h>
 #include <CGAL/IO/Triangulation_geomview_ostream_3.h>
 
 #include <unistd.h>
 #include <vector>
 
-typedef CGAL::Filtered_exact<double, CGAL::MP_Float> NT;
-typedef CGAL::Cartesian<NT> K;
+typedef CGAL::Filtered_kernel<CGAL::Simple_cartesian<double> > K;
 
 typedef CGAL::Triangulation_vertex_base_3<K>            Vb;
 typedef CGAL::Triangulation_hierarchy_vertex_base_3<Vb>  Vbh;
diff --git a/Packages/Triangulation_3/demo/Triangulation_3/demo_voronoi.C b/Packages/Triangulation_3/demo/Triangulation_3/demo_voronoi.C
index 61fee110c08..e6c378f404a 100644
--- a/Packages/Triangulation_3/demo/Triangulation_3/demo_voronoi.C
+++ b/Packages/Triangulation_3/demo/Triangulation_3/demo_voronoi.C
@@ -30,21 +30,11 @@ int main()
 }
 #else
 
-#include <CGAL/Cartesian.h>
-
-// Workaround for VC++ necessary for Filtered_exact.
-#ifdef CGAL_CFG_MATCHING_BUG_2
-#  define CGAL_IA_CT double
-#  define CGAL_IA_PROTECTED true
-#  define CGAL_IA_CACHE No_Filter_Cache
-#  define CGAL_IA_ET CGAL::MP_Float
-#endif
+#include <CGAL/Simple_cartesian.h>
+#include <CGAL/Filtered_kernel.h>
 
 #include <CGAL/Delaunay_triangulation_3.h>
 
-#include <CGAL/MP_Float.h>
-#include <CGAL/Filtered_exact.h>
-
 #include <CGAL/IO/Geomview_stream.h>
 #include <CGAL/IO/Triangulation_geomview_ostream_3.h>
 
@@ -53,11 +43,7 @@ int main()
 #include <unistd.h>
 #include <list>
 
-// using Filtered_exact number type is advised :
-
-typedef CGAL::Filtered_exact<double, CGAL::MP_Float> NT;
-
-typedef CGAL::Cartesian<NT> K;
+typedef CGAL::Filtered_kernel<CGAL::Simple_cartesian<double> > K;
 
 typedef CGAL::Triangulation_3<K> Triangulation;
 typedef CGAL::Delaunay_triangulation_3<K> Delaunay;
diff --git a/Packages/Triangulation_3/examples/Triangulation_3/README b/Packages/Triangulation_3/examples/Triangulation_3/README
index a4436f13528..dec6484ebdf 100644
--- a/Packages/Triangulation_3/examples/Triangulation_3/README
+++ b/Packages/Triangulation_3/examples/Triangulation_3/README
@@ -4,7 +4,4 @@ Construction of a triangulation.
 Makes different tests on it.
 
 Writes the triangulation into a file "output"
-
-This example program uses "doubles". 
-For a robust version, another arithmetic should be used.
 --------------------------------------------------------------
diff --git a/Packages/Triangulation_3/examples/Triangulation_3/example_color.C b/Packages/Triangulation_3/examples/Triangulation_3/example_color.C
index 8af8b3e826e..1b78aeb5e64 100644
--- a/Packages/Triangulation_3/examples/Triangulation_3/example_color.C
+++ b/Packages/Triangulation_3/examples/Triangulation_3/example_color.C
@@ -1,17 +1,7 @@
 // Triangulation_3/example_color.C
-#include <CGAL/Cartesian.h>
-
-// Workaround for VC++ necessary for Filtered_exact.
-#ifdef CGAL_CFG_MATCHING_BUG_2
-#  define CGAL_IA_CT double
-#  define CGAL_IA_PROTECTED true
-#  define CGAL_IA_CACHE No_Filter_Cache
-#  define CGAL_IA_ET CGAL::MP_Float
-#endif
-
+#include <CGAL/Simple_cartesian.h>
+#include <CGAL/Filtered_kernel.h>
 #include <CGAL/Delaunay_triangulation_3.h>
-#include <CGAL/MP_Float.h>
-#include <CGAL/Filtered_exact.h>
 
 #include <cassert>
 
@@ -40,11 +30,7 @@ public :
     {}
 };
 
-// using Filtered_exact number type is advised :
-
-typedef CGAL::Filtered_exact<double, CGAL::MP_Float> NT;
-
-typedef CGAL::Cartesian<NT> K;
+typedef CGAL::Filtered_kernel<CGAL::Simple_cartesian<double> > K;
 
 typedef K::Point_3 Point;
 
diff --git a/Packages/Triangulation_3/examples/Triangulation_3/example_hierarchy.C b/Packages/Triangulation_3/examples/Triangulation_3/example_hierarchy.C
index 09b25c32d9b..eb3aa2bef35 100644
--- a/Packages/Triangulation_3/examples/Triangulation_3/example_hierarchy.C
+++ b/Packages/Triangulation_3/examples/Triangulation_3/example_hierarchy.C
@@ -1,30 +1,14 @@
 // Triangulation_3/example_hierarchy.C
-#include <CGAL/Cartesian.h>
+#include <CGAL/Simple_cartesian.h>
+#include <CGAL/Filtered_kernel.h>
 
-// Workaround for VC++ necessary for Filtered_exact.
-#ifdef CGAL_CFG_MATCHING_BUG_2
-#  define CGAL_IA_CT double
-#  define CGAL_IA_PROTECTED true
-#  define CGAL_IA_CACHE No_Filter_Cache
-#  define CGAL_IA_ET CGAL::MP_Float
-#endif
-
-#include <CGAL/Triangulation_data_structure_3.h>
 #include <CGAL/Delaunay_triangulation_3.h>
 #include <CGAL/Triangulation_hierarchy_3.h>
-#include <CGAL/MP_Float.h>
-#include <CGAL/Filtered_exact.h>
 
 #include <cassert>
 #include <vector>
 
-// using Filtered_exact number type is advised :
-
-typedef CGAL::Filtered_exact<double, CGAL::MP_Float> NT;
-
-// chosing the representation (Cartesian or homogeneous)
-
-typedef CGAL::Cartesian<NT> K;
+typedef CGAL::Filtered_kernel<CGAL::Simple_cartesian<double> > K;
 
 typedef CGAL::Triangulation_vertex_base_3<K>             Vb;
 typedef CGAL::Triangulation_hierarchy_vertex_base_3<Vb>  Vbh;
diff --git a/Packages/Triangulation_3/examples/Triangulation_3/example_simple.C b/Packages/Triangulation_3/examples/Triangulation_3/example_simple.C
index 2045defc7d0..4f15b300d00 100644
--- a/Packages/Triangulation_3/examples/Triangulation_3/example_simple.C
+++ b/Packages/Triangulation_3/examples/Triangulation_3/example_simple.C
@@ -1,17 +1,8 @@
 // Triangulation_3/example_simple.C
-#include <CGAL/Cartesian.h>
-
-// Workaround for VC++ necessary for Filtered_exact.
-#ifdef CGAL_CFG_MATCHING_BUG_2
-#  define CGAL_IA_CT double
-#  define CGAL_IA_PROTECTED true
-#  define CGAL_IA_CACHE No_Filter_Cache
-#  define CGAL_IA_ET CGAL::MP_Float
-#endif
+#include <CGAL/Simple_cartesian.h>
+#include <CGAL/Filtered_kernel.h>
 
 #include <CGAL/Triangulation_3.h>
-#include <CGAL/MP_Float.h>
-#include <CGAL/Filtered_exact.h>
 
 #include <iostream>
 #include <fstream>
@@ -19,13 +10,7 @@
 #include <list>
 #include <vector>
 
-// using Filtered_exact number type is advised :
-
-typedef CGAL::Filtered_exact<double, CGAL::MP_Float> NT;
-
-// chosing the representation (Cartesian or homogeneous)
-
-typedef CGAL::Cartesian<NT> K;
+typedef CGAL::Filtered_kernel<CGAL::Simple_cartesian<double> > K;
 
 typedef CGAL::Triangulation_3<K> Triangulation;