diff --git a/apps/sequence/graph/curve_parameter_controller.cpp b/apps/sequence/graph/curve_parameter_controller.cpp
index ab32ce574..6ab052623 100644
--- a/apps/sequence/graph/curve_parameter_controller.cpp
+++ b/apps/sequence/graph/curve_parameter_controller.cpp
@@ -1,13 +1,15 @@
 #include "curve_parameter_controller.h"
+#include "graph_controller.h"
 #include <assert.h>
 
 using namespace Shared;
 
 namespace Sequence {
 
-CurveParameterController::CurveParameterController(InteractiveCurveViewRange * graphRange, CurveViewCursor * cursor) :
+CurveParameterController::CurveParameterController(GraphController * graphController, InteractiveCurveViewRange * graphRange, CurveViewCursor * cursor) :
   FunctionCurveParameterController(graphRange, cursor),
-  m_sumCell(PointerTableCell((char*)"Somme des termes"))
+  m_sumCell(PointerTableCell((char*)"Somme des termes")),
+  m_graphController(graphController)
 {
 }
 
@@ -19,7 +21,12 @@ bool CurveParameterController::handleEvent(Ion::Events::Event event) {
   if (event == Ion::Events::OK) {
     switch (m_selectableTableView.selectedRow()) {
       case 0:
+      {
+        StackViewController * stack = (StackViewController *)parentResponder();
+        stack->pop();
+        m_graphController->displayTermSumController();
         return true;
+      }
       case 1:
         return handleGotoSelection();
       default:
diff --git a/apps/sequence/graph/curve_parameter_controller.h b/apps/sequence/graph/curve_parameter_controller.h
index 4e768062a..b790594a2 100644
--- a/apps/sequence/graph/curve_parameter_controller.h
+++ b/apps/sequence/graph/curve_parameter_controller.h
@@ -6,9 +6,11 @@
 
 namespace Sequence {
 
+class GraphController;
+
 class CurveParameterController : public Shared::FunctionCurveParameterController {
 public:
-  CurveParameterController(Shared::InteractiveCurveViewRange * graphRange, Shared::CurveViewCursor * cursor);
+  CurveParameterController(GraphController * graphController, Shared::InteractiveCurveViewRange * graphRange, Shared::CurveViewCursor * cursor);
   const char * title() const override;
   bool handleEvent(Ion::Events::Event event) override;
   int numberOfRows() override;
@@ -17,6 +19,7 @@ public:
 private:
   constexpr static int k_totalNumberOfCells = 2;
   PointerTableCell m_sumCell;
+  GraphController * m_graphController;
 };
 
 }
diff --git a/apps/sequence/graph/graph_controller.cpp b/apps/sequence/graph/graph_controller.cpp
index 63f1d9bdb..aeea2feb9 100644
--- a/apps/sequence/graph/graph_controller.cpp
+++ b/apps/sequence/graph/graph_controller.cpp
@@ -9,11 +9,19 @@ GraphController::GraphController(Responder * parentResponder, SequenceStore * se
   m_bannerView(BannerView()),
   m_view(GraphView(sequenceStore, &m_graphRange, &m_cursor, &m_bannerView, &m_cursorView)),
   m_graphRange(CurveViewRange(&m_cursor, this)),
-  m_curveParameterController(CurveParameterController(&m_graphRange, &m_cursor)),
+  m_curveParameterController(CurveParameterController(this, &m_graphRange, &m_cursor)),
+  m_termSumController(TermSumController(this, &m_view, &m_graphRange, &m_cursor)),
   m_sequenceStore(sequenceStore)
 {
 }
 
+void GraphController::viewWillAppear() {
+  m_view.setVerticalCursor(false);
+  m_view.setCursorView(&m_cursorView);
+  m_view.setBannerView(&m_bannerView);
+  FunctionGraphController::viewWillAppear();
+}
+
 const char * GraphController::emptyMessage() {
   if (m_sequenceStore->numberOfDefinedFunctions() == 0) {
     return "Aucune suite";
@@ -21,6 +29,11 @@ const char * GraphController::emptyMessage() {
   return "Aucune suite activee";
 }
 
+void GraphController::displayTermSumController() {
+  m_termSumController.setSequence(m_sequenceStore->activeFunctionAtIndex(m_indexFunctionSelectedByCursor));
+  stackController()->push(&m_termSumController);
+}
+
 BannerView * GraphController::bannerView() {
   return &m_bannerView;
 }
diff --git a/apps/sequence/graph/graph_controller.h b/apps/sequence/graph/graph_controller.h
index 01cce1a99..2e9216aba 100644
--- a/apps/sequence/graph/graph_controller.h
+++ b/apps/sequence/graph/graph_controller.h
@@ -5,6 +5,7 @@
 #include "banner_view.h"
 #include "curve_parameter_controller.h"
 #include "curve_view_range.h"
+#include "term_sum_controller.h"
 #include "../../shared/function_graph_controller.h"
 #include "../sequence_store.h"
 
@@ -13,7 +14,9 @@ namespace Sequence {
 class GraphController : public Shared::FunctionGraphController {
 public:
   GraphController(Responder * parentResponder, SequenceStore * sequenceStore, HeaderViewController * header);
+  void viewWillAppear() override;
   const char * emptyMessage() override;
+  void displayTermSumController();
 private:
   BannerView * bannerView() override;
   bool moveCursorHorizontally(int direction) override;
@@ -26,6 +29,7 @@ private:
   GraphView m_view;
   CurveViewRange m_graphRange;
   CurveParameterController m_curveParameterController;
+  TermSumController m_termSumController;
   SequenceStore * m_sequenceStore;
 };