diff --git a/apps/regression/store_controller.cpp b/apps/regression/store_controller.cpp
index e08bb358d..280689011 100644
--- a/apps/regression/store_controller.cpp
+++ b/apps/regression/store_controller.cpp
@@ -16,12 +16,17 @@ StoreController::StoreController(Responder * parentResponder, Store * store, But
   Shared::StoreController(parentResponder, store, header),
   m_titleCells{}
 {
-  m_titleLayout[0] = new HorizontalLayout(new CharLayout('X', KDText::FontSize::Small), new VerticalOffsetLayout(new CharLayout('i', KDText::FontSize::Small), VerticalOffsetLayout::Type::Subscript, false), false);
-  m_titleLayout[1] = new HorizontalLayout(new CharLayout('Y', KDText::FontSize::Small), new VerticalOffsetLayout(new CharLayout('i', KDText::FontSize::Small), VerticalOffsetLayout::Type::Subscript, false), false);
+  for (int i = 0; i < k_numberOfSeries; i++) {
+    /* If the index is too big, the layout creation should take into account the
+     * possibility of a two-digits index. */
+    assert(k_numberOfSeries < 10);
+    m_titleLayout[k_numberOfColumnsPerSeries*i] = new HorizontalLayout(new CharLayout('X', KDText::FontSize::Small), new VerticalOffsetLayout(new CharLayout('0'+ i, KDText::FontSize::Small), VerticalOffsetLayout::Type::Subscript, false), false);
+    m_titleLayout[k_numberOfColumnsPerSeries*i+1] = new HorizontalLayout(new CharLayout('Y', KDText::FontSize::Small), new VerticalOffsetLayout(new CharLayout('0' + i, KDText::FontSize::Small), VerticalOffsetLayout::Type::Subscript, false), false);
+  }
 }
 
 StoreController::~StoreController() {
-  for (int i = 0; i < 2; i++) {
+  for (int i = 0; i < k_numberOfTitleCells; i++) {
     if (m_titleLayout[i]) {
       delete m_titleLayout[i];
       m_titleLayout[i] = nullptr;
diff --git a/apps/regression/store_controller.h b/apps/regression/store_controller.h
index ecbb76244..822f3a4ca 100644
--- a/apps/regression/store_controller.h
+++ b/apps/regression/store_controller.h
@@ -21,7 +21,7 @@ private:
   View * loadView() override;
   void unloadView(View * view) override;
   EvenOddExpressionCell * m_titleCells[k_numberOfTitleCells];
-  Poincare::ExpressionLayout * m_titleLayout[2];
+  Poincare::ExpressionLayout * m_titleLayout[k_numberOfTitleCells];
 };
 
 }
diff --git a/apps/shared/store_controller.cpp b/apps/shared/store_controller.cpp
index e332a0385..de34846a7 100644
--- a/apps/shared/store_controller.cpp
+++ b/apps/shared/store_controller.cpp
@@ -21,8 +21,8 @@ const char * StoreController::title() {
 }
 
 int StoreController::numberOfColumns() {
-  return 2;
-};
+  return k_numberOfColumnsPerSeries * k_numberOfSeries;
+}
 
 KDCoordinate StoreController::columnWidth(int i) {
   return k_cellWidth;
@@ -67,7 +67,7 @@ void StoreController::willDisplayCellAtLocation(HighlightCell * cell, int i, int
 }
 
 void StoreController::didBecomeFirstResponder() {
-  if (selectedRow() < 0) {
+  if (selectedRow() < 0 || selectedColumn() < 0) {
     selectCellAtLocation(0, 0);
   }
   EditableCellTableViewController::didBecomeFirstResponder();
@@ -80,8 +80,9 @@ bool StoreController::handleEvent(Ion::Events::Event event) {
     app()->setFirstResponder(tabController());
     return true;
   }
+  assert(selectedColumn() >= 0 && selectedColumn() < numberOfColumns());
   if ((event == Ion::Events::OK || event == Ion::Events::EXE) && selectedRow() == 0) {
-    m_storeParameterController.selectXColumn(selectedColumn() == 0);
+    m_storeParameterController.selectXColumn(selectedColumn()%k_numberOfColumnsPerSeries == 0);
     StackViewController * stack = ((StackViewController *)parentResponder()->parentResponder());
     stack->push(&m_storeParameterController);
     return true;
diff --git a/apps/shared/store_controller.h b/apps/shared/store_controller.h
index 0bdf2b44d..e50375f94 100644
--- a/apps/shared/store_controller.h
+++ b/apps/shared/store_controller.h
@@ -24,8 +24,11 @@ public:
   void didBecomeFirstResponder() override;
 protected:
   static constexpr KDCoordinate k_cellWidth = Ion::Display::Width/2 - Metric::CommonRightMargin/2 - Metric::CommonLeftMargin/2;
-  constexpr static int k_maxNumberOfEditableCells = 22;
-  constexpr static int k_numberOfTitleCells = 2;
+  constexpr static int k_numberOfSeries = 3;
+  constexpr static int k_numberOfColumnsPerSeries = 2;
+  constexpr static int k_maxNumberOfEditableCells = 22 * k_numberOfSeries;
+  constexpr static int k_numberOfTitleCells = k_numberOfColumnsPerSeries * k_numberOfSeries;
+  // TODO Put finer number of cells
   static constexpr int k_titleCellType = 0;
   static constexpr int k_editableCellType = 1;
   Responder * tabController() const override;
diff --git a/apps/statistics/base.de.i18n b/apps/statistics/base.de.i18n
index a91532061..aebe0c9f1 100644
--- a/apps/statistics/base.de.i18n
+++ b/apps/statistics/base.de.i18n
@@ -3,8 +3,12 @@ StatsAppCapital = "STATISTIKEN"
 HistogramTab = "Histogramm"
 BoxTab = "Boxplot"
 StatTab = "Stats"
-Values = "Werte"
-Sizes = "Haufigkeiten"
+Values1 = "Werte V1"
+Values2 = "Werte V2"
+Values3 = "Werte V3"
+Sizes1 = "Haufigkeiten N1"
+Sizes2 = "Haufigkeiten N2"
+Sizes3 = "Haufigkeiten N3"
 ImportList = "Laden eine Liste"
 NoDataToPlot = "Keine Daten zu zeichnen"
 Interval = " Intervall"
diff --git a/apps/statistics/base.en.i18n b/apps/statistics/base.en.i18n
index 63e7f7496..107fcc7d2 100644
--- a/apps/statistics/base.en.i18n
+++ b/apps/statistics/base.en.i18n
@@ -3,8 +3,12 @@ StatsAppCapital = "STATISTICS"
 HistogramTab = "Histogram"
 BoxTab = "Box"
 StatTab = "Stats"
-Values = "Values"
-Sizes = "Sizes"
+Values1 = "Values V1"
+Values2 = "Values V2"
+Values3 = "Values V3"
+Sizes1 = "Sizes N1"
+Sizes2 = "Sizes N2"
+Sizes3 = "Sizes N3"
 ImportList = "Import from a list"
 NoDataToPlot = "No data to draw"
 Interval = " Interval "
diff --git a/apps/statistics/base.es.i18n b/apps/statistics/base.es.i18n
index 62d33c1e7..08faa7bc1 100644
--- a/apps/statistics/base.es.i18n
+++ b/apps/statistics/base.es.i18n
@@ -3,8 +3,12 @@ StatsAppCapital = "ESTADISTICA"
 HistogramTab = "Histograma"
 BoxTab = "Caja"
 StatTab = "Medidas"
-Values = "Valores"
-Sizes = "Frecuencias"
+Values1 = "Valores V1"
+Values2 = "Valores V2"
+Values3 = "Valores V3"
+Sizes1 = "Frecuencias N1"
+Sizes2 = "Frecuencias N2"
+Sizes3 = "Frecuencias N3"
 ImportList = "Importar una lista"
 NoDataToPlot = "Ningunos datos que dibujar"
 Interval = " Intervalo"
diff --git a/apps/statistics/base.fr.i18n b/apps/statistics/base.fr.i18n
index 3a03235ea..ad4e9d212 100644
--- a/apps/statistics/base.fr.i18n
+++ b/apps/statistics/base.fr.i18n
@@ -3,8 +3,12 @@ StatsAppCapital = "STATISTIQUES"
 HistogramTab = "Histogramme"
 BoxTab = "Boite"
 StatTab = "Stats"
-Values = "Valeurs"
-Sizes = "Effectifs"
+Values1 = "Valeurs V1"
+Values2 = "Valeurs V2"
+Values3 = "Valeurs V3"
+Sizes1 = "Effectifs N1"
+Sizes2 = "Effectifs N2"
+Sizes3 = "Effectifs N3"
 ImportList = "Importer une liste"
 NoDataToPlot = "Aucune donnee a tracer"
 Interval = " Intervalle "
diff --git a/apps/statistics/base.pt.i18n b/apps/statistics/base.pt.i18n
index 7e3dd4ea1..bf634f523 100644
--- a/apps/statistics/base.pt.i18n
+++ b/apps/statistics/base.pt.i18n
@@ -3,8 +3,12 @@ StatsAppCapital = "ESTATISTICA"
 HistogramTab = "Histograma"
 BoxTab = "Caixa"
 StatTab = "Estat"
-Values = "Valores"
-Sizes = "Frequencias"
+Values1 = "Valores V1"
+Values2 = "Valores V2"
+Values3 = "Valores V3"
+Sizes1 = "Frequencias N1"
+Sizes2 = "Frequencias N2"
+Sizes3 = "Frequencias N3"
 ImportList = "Importar de uma lista"
 NoDataToPlot = "Nao ha dados para desenhar"
 Interval = " Intervalo"
diff --git a/apps/statistics/store_controller.cpp b/apps/statistics/store_controller.cpp
index 05ccab7a3..8e1ccfb21 100644
--- a/apps/statistics/store_controller.cpp
+++ b/apps/statistics/store_controller.cpp
@@ -22,11 +22,16 @@ void StoreController::willDisplayCellAtLocation(HighlightCell * cell, int i, int
     return;
   }
   EvenOddMessageTextCell * mytitleCell = (EvenOddMessageTextCell *)cell;
-  if (i == 0) {
-    mytitleCell->setMessage(I18n::Message::Values);
-    return;
+  bool valuesColumn = i%k_numberOfColumnsPerSeries == 0;
+  int seriesIndex = i/k_numberOfColumnsPerSeries;
+  assert(seriesIndex >= 0 && seriesIndex < FloatPairStore::k_numberOfSeries);
+  if (valuesColumn) {
+    I18n::Message valuesMessages[] = {I18n::Message::Values1, I18n::Message::Values2, I18n::Message::Values3};
+    mytitleCell->setMessage(valuesMessages[seriesIndex]);
+  } else {
+    I18n::Message sizesMessages[] = {I18n::Message::Sizes1, I18n::Message::Sizes2, I18n::Message::Sizes3};
+    mytitleCell->setMessage(sizesMessages[seriesIndex]);
   }
-  mytitleCell->setMessage(I18n::Message::Sizes);
 }
 
 HighlightCell * StoreController::titleCells(int index) {