diff --git a/apps/graph/Makefile b/apps/graph/Makefile
index cec09dd90..12d99d887 100644
--- a/apps/graph/Makefile
+++ b/apps/graph/Makefile
@@ -8,11 +8,8 @@ app_objs += $(addprefix apps/graph/,\
   graph/graph_controller.o\
   graph/graph_view.o\
   list/list_controller.o\
-  values/abscissa_parameter_controller.o\
   values/derivative_parameter_controller.o\
   values/function_parameter_controller.o\
-  values/interval.o\
-  values/interval_parameter_controller.o\
   values/values_controller.o\
 )
 
diff --git a/apps/graph/values/values_controller.cpp b/apps/graph/values/values_controller.cpp
index e60637201..41629c4db 100644
--- a/apps/graph/values/values_controller.cpp
+++ b/apps/graph/values/values_controller.cpp
@@ -20,7 +20,7 @@ ValuesController::ValuesController(Responder * parentResponder, CartesianFunctio
     EvenOddEditableTextCell(&m_selectableTableView, this, m_draftTextBuffer, KDText::FontSize::Small), EvenOddEditableTextCell(&m_selectableTableView, this, m_draftTextBuffer, KDText::FontSize::Small)},
   m_functionStore(functionStore),
   m_intervalParameterController(IntervalParameterController(this, &m_interval)),
-  m_abscissaParameterController(AbscissaParameterController(this, &m_intervalParameterController)),
+  m_abscissaParameterController(ValuesParameterController(this, &m_intervalParameterController)),
   m_functionParameterController(FunctionParameterController(this)),
   m_derivativeParameterController(DerivativeParameterController(this)),
   m_setIntervalButton(Button(this, "Regler l'intervalle",Invocation([](void * context, void * sender) {
diff --git a/apps/graph/values/values_controller.h b/apps/graph/values/values_controller.h
index 20a8c96f8..6f2181a53 100644
--- a/apps/graph/values/values_controller.h
+++ b/apps/graph/values/values_controller.h
@@ -5,11 +5,11 @@
 #include "../cartesian_function_store.h"
 #include "../function_title_cell.h"
 #include "../../shared/editable_cell_table_view_controller.h"
-#include "interval.h"
-#include "abscissa_parameter_controller.h"
+#include "../../shared/interval.h"
+#include "../../shared/values_parameter_controller.h"
 #include "derivative_parameter_controller.h"
 #include "function_parameter_controller.h"
-#include "interval_parameter_controller.h"
+#include "../../shared/interval_parameter_controller.h"
 
 namespace Graph {
 
@@ -17,7 +17,7 @@ class ValuesController : public Shared::EditableCellTableViewController, public
 public:
   ValuesController(Responder * parentResponder, CartesianFunctionStore * functionStore, HeaderViewController * header);
   const char * title() const override;
-  Interval * interval();
+  Shared::Interval * interval();
   bool handleEvent(Ion::Events::Event event) override;
   void didBecomeFirstResponder() override;
   ViewController * intervalParameterController();
@@ -66,9 +66,9 @@ private:
   char m_draftTextBuffer[EditableTextCell::k_bufferLength];
   EvenOddEditableTextCell m_abscissaCells[k_maxNumberOfAbscissaCells];
   CartesianFunctionStore * m_functionStore;
-  Interval m_interval;
-  IntervalParameterController m_intervalParameterController;
-  AbscissaParameterController m_abscissaParameterController;
+  Shared::Interval m_interval;
+  Shared::IntervalParameterController m_intervalParameterController;
+  Shared::ValuesParameterController m_abscissaParameterController;
   FunctionParameterController m_functionParameterController;
   DerivativeParameterController m_derivativeParameterController;
   Button m_setIntervalButton;
diff --git a/apps/shared/Makefile b/apps/shared/Makefile
index 91c9bf67a..31d6fe23d 100644
--- a/apps/shared/Makefile
+++ b/apps/shared/Makefile
@@ -18,6 +18,8 @@ app_objs += $(addprefix apps/shared/,\
   initialisation_parameter_controller.o\
   interactive_curve_view_controller.o\
   interactive_curve_view_range.o\
+  interval.o\
+  interval_parameter_controller.o\
   list_controller.o\
   list_parameter_controller.o\
   memoized_curve_view_range.o\
@@ -27,5 +29,6 @@ app_objs += $(addprefix apps/shared/,\
   store_parameter_controller.o\
   text_field_delegate.o\
   text_field_delegate_app.o\
+  values_parameter_controller.o\
   zoom_parameter_controller.o\
 )
diff --git a/apps/graph/values/interval.cpp b/apps/shared/interval.cpp
similarity index 98%
rename from apps/graph/values/interval.cpp
rename to apps/shared/interval.cpp
index 6cc588b29..e2c423f0c 100644
--- a/apps/graph/values/interval.cpp
+++ b/apps/shared/interval.cpp
@@ -1,7 +1,7 @@
 #include "interval.h"
 #include <assert.h>
 
-namespace Graph {
+namespace Shared {
 
 Interval::Interval() :
   m_start(0),
diff --git a/apps/graph/values/interval.h b/apps/shared/interval.h
similarity index 90%
rename from apps/graph/values/interval.h
rename to apps/shared/interval.h
index 515c9ef87..236d33d7e 100644
--- a/apps/graph/values/interval.h
+++ b/apps/shared/interval.h
@@ -1,7 +1,7 @@
-#ifndef GRAPH_VALUES_INTERVAL_H
-#define GRAPH_VALUES_INTERVAL_H
+#ifndef SHARED_VALUES_INTERVAL_H
+#define SHARED_VALUES_INTERVAL_H
 
-namespace Graph {
+namespace Shared {
 
 class Interval {
 public:
diff --git a/apps/graph/values/interval_parameter_controller.cpp b/apps/shared/interval_parameter_controller.cpp
similarity index 92%
rename from apps/graph/values/interval_parameter_controller.cpp
rename to apps/shared/interval_parameter_controller.cpp
index 0ff5c8614..edeec377e 100644
--- a/apps/graph/values/interval_parameter_controller.cpp
+++ b/apps/shared/interval_parameter_controller.cpp
@@ -1,10 +1,7 @@
 #include "interval_parameter_controller.h"
-#include "../app.h"
 #include <assert.h>
 
-using namespace Shared;
-
-namespace Graph {
+namespace Shared {
 
 IntervalParameterController::IntervalParameterController(Responder * parentResponder, Interval * interval) :
   FloatParameterController(parentResponder),
@@ -19,7 +16,7 @@ const char * IntervalParameterController::title() const {
   return "Regler l'intervalle";
 }
 
-Graph::Interval * IntervalParameterController::interval() {
+Interval * IntervalParameterController::interval() {
   return m_interval;
 }
 
diff --git a/apps/graph/values/interval_parameter_controller.h b/apps/shared/interval_parameter_controller.h
similarity index 84%
rename from apps/graph/values/interval_parameter_controller.h
rename to apps/shared/interval_parameter_controller.h
index b498df6da..ef7db598a 100644
--- a/apps/graph/values/interval_parameter_controller.h
+++ b/apps/shared/interval_parameter_controller.h
@@ -1,11 +1,11 @@
-#ifndef GRAPH_INTERVAL_PARAM_CONTROLLER_H
-#define GRAPH_INTERVAL_PARAM_CONTROLLER_H
+#ifndef SHARED_INTERVAL_PARAM_CONTROLLER_H
+#define SHARED_INTERVAL_PARAM_CONTROLLER_H
 
 #include <escher.h>
 #include "interval.h"
-#include "../../shared/float_parameter_controller.h"
+#include "float_parameter_controller.h"
 
-namespace Graph {
+namespace Shared {
 
 class IntervalParameterController : public Shared::FloatParameterController {
 public:
diff --git a/apps/graph/values/abscissa_parameter_controller.cpp b/apps/shared/values_parameter_controller.cpp
similarity index 71%
rename from apps/graph/values/abscissa_parameter_controller.cpp
rename to apps/shared/values_parameter_controller.cpp
index 99b73e35f..e811955ce 100644
--- a/apps/graph/values/abscissa_parameter_controller.cpp
+++ b/apps/shared/values_parameter_controller.cpp
@@ -1,9 +1,9 @@
-#include "abscissa_parameter_controller.h"
+#include "values_parameter_controller.h"
 #include <assert.h>
 
-namespace Graph {
+namespace Shared {
 
-AbscissaParameterController::AbscissaParameterController(Responder * parentResponder, IntervalParameterController * intervalParameterController) :
+ValuesParameterController::ValuesParameterController(Responder * parentResponder, IntervalParameterController * intervalParameterController) :
   ViewController(parentResponder),
   m_deleteColumn(PointerTableCell((char*)"Effacer la colonne")),
   m_copyColumn(PointerTableCellWithChevron((char*)"Copier la colonne dans une liste")),
@@ -14,20 +14,20 @@ AbscissaParameterController::AbscissaParameterController(Responder * parentRespo
 {
 }
 
-const char * AbscissaParameterController::title() const {
+const char * ValuesParameterController::title() const {
   return "Colonne x";
 }
 
-View * AbscissaParameterController::view() {
+View * ValuesParameterController::view() {
   return &m_selectableTableView;
 }
 
-void AbscissaParameterController::didBecomeFirstResponder() {
+void ValuesParameterController::didBecomeFirstResponder() {
   m_selectableTableView.selectCellAtLocation(0, 0);
   app()->setFirstResponder(&m_selectableTableView);
 }
 
-bool AbscissaParameterController::handleEvent(Ion::Events::Event event) {
+bool ValuesParameterController::handleEvent(Ion::Events::Event event) {
   if (event == Ion::Events::OK) {
     switch (m_selectableTableView.selectedRow()) {
       case 0:
@@ -56,22 +56,22 @@ bool AbscissaParameterController::handleEvent(Ion::Events::Event event) {
   return false;
 }
 
-int AbscissaParameterController::numberOfRows() {
+int ValuesParameterController::numberOfRows() {
   return k_totalNumberOfCell;
 };
 
-HighlightCell * AbscissaParameterController::reusableCell(int index) {
+HighlightCell * ValuesParameterController::reusableCell(int index) {
   assert(index >= 0);
   assert(index < k_totalNumberOfCell);
   HighlightCell * cells[] = {&m_deleteColumn, &m_copyColumn, &m_setInterval};
   return cells[index];
 }
 
-int AbscissaParameterController::reusableCellCount() {
+int ValuesParameterController::reusableCellCount() {
   return k_totalNumberOfCell;
 }
 
-KDCoordinate AbscissaParameterController::cellHeight() {
+KDCoordinate ValuesParameterController::cellHeight() {
   return Metric::ParameterCellHeight;
 }
 
diff --git a/apps/graph/values/abscissa_parameter_controller.h b/apps/shared/values_parameter_controller.h
similarity index 68%
rename from apps/graph/values/abscissa_parameter_controller.h
rename to apps/shared/values_parameter_controller.h
index 935c11317..7ba831b58 100644
--- a/apps/graph/values/abscissa_parameter_controller.h
+++ b/apps/shared/values_parameter_controller.h
@@ -1,13 +1,13 @@
-#ifndef GRAPH_ABSCISSA_PARAM_CONTROLLER_H
-#define GRAPH_ABSCISSA_PARAM_CONTROLLER_H
+#ifndef SHARED_VALUES_PARAM_CONTROLLER_H
+#define SHARED_VALUES_PARAM_CONTROLLER_H
 
 #include <escher.h>
 #include "interval_parameter_controller.h"
 
-namespace Graph {
-class AbscissaParameterController : public ViewController, public SimpleListViewDataSource {
+namespace Shared {
+class ValuesParameterController : public ViewController, public SimpleListViewDataSource {
 public:
-  AbscissaParameterController(Responder * parentResponder, IntervalParameterController * intervalParameterController);
+  ValuesParameterController(Responder * parentResponder, IntervalParameterController * intervalParameterController);
 
   View * view() override;
   const char * title() const override;