diff --git a/apps/regression/store_controller.h b/apps/regression/store_controller.h
index 3de9511d9..6da10235c 100644
--- a/apps/regression/store_controller.h
+++ b/apps/regression/store_controller.h
@@ -11,7 +11,8 @@ namespace Regression {
 class StoreController : public Shared::StoreController {
 public:
   StoreController(Responder * parentResponder, Store * store, ButtonRowController * header);
-  void fillColumnWithFormula(Poincare::Expression * formula) {}
+  void setFormulaLabel() override {} //TODO
+  void fillColumnWithFormula(Poincare::Expression * formula) override {} //TODO
   void willDisplayCellAtLocation(HighlightCell * cell, int i, int j) override;
 private:
   HighlightCell * titleCells(int index) override;
diff --git a/apps/shared/buffer_text_view_with_text_field.cpp b/apps/shared/buffer_text_view_with_text_field.cpp
index 112ca1216..1f27faaef 100644
--- a/apps/shared/buffer_text_view_with_text_field.cpp
+++ b/apps/shared/buffer_text_view_with_text_field.cpp
@@ -5,11 +5,10 @@ namespace Shared {
 BufferTextViewWithTextField::BufferTextViewWithTextField(Responder * parentResponder, TextFieldDelegate * delegate, KDText::FontSize size) :
   View(),
   Responder(parentResponder),
-  m_bufferTextView(size, 0.0f, 0.5f),
+  m_bufferTextView(size, 1.0f, 0.5f),
   m_textField(this, m_textFieldBuffer, m_textFieldBuffer, k_textFieldBufferSize, delegate, false, size, 0.0f, 0.5f),
   m_textFieldBuffer{}
 {
-  m_bufferTextView.setText("TODO");
 }
 
 KDSize BufferTextViewWithTextField::minimalSizeForOptimalDisplay() const {
diff --git a/apps/shared/store_controller.cpp b/apps/shared/store_controller.cpp
index 54752db42..a7e360236 100644
--- a/apps/shared/store_controller.cpp
+++ b/apps/shared/store_controller.cpp
@@ -58,6 +58,7 @@ StoreController::StoreController(Responder * parentResponder, FloatPairStore * s
 }
 
 void StoreController::displayFormulaInput() {
+  setFormulaLabel();
   contentView()->displayFormulaInput(true);
 }
 
diff --git a/apps/shared/store_controller.h b/apps/shared/store_controller.h
index 2e2b1b5b0..9164c1044 100644
--- a/apps/shared/store_controller.h
+++ b/apps/shared/store_controller.h
@@ -16,6 +16,7 @@ public:
   StoreController(Responder * parentResponder, FloatPairStore * store, ButtonRowController * header);
 
   void displayFormulaInput();
+  virtual void setFormulaLabel() = 0;
   virtual void fillColumnWithFormula(Poincare::Expression * formula) = 0;
 
   // TextFieldDelegate
diff --git a/apps/statistics/store_controller.cpp b/apps/statistics/store_controller.cpp
index b0ebad399..c17b5974c 100644
--- a/apps/statistics/store_controller.cpp
+++ b/apps/statistics/store_controller.cpp
@@ -19,12 +19,18 @@ StoreController::StoreController(Responder * parentResponder, Store * store, But
 {
 }
 
+void StoreController::setFormulaLabel() {
+  int series = selectedColumn() / Store::k_numberOfColumnsPerSeries;
+  int isValueColumn = selectedColumn() % Store::k_numberOfColumnsPerSeries == 0;
+  char text[] = {isValueColumn ? 'V' : 'N', static_cast<char>('1' + series), '=', 0};
+  static_cast<ContentView *>(view())->formulaInputView()->setBufferText(text);
+}
+
 void StoreController::fillColumnWithFormula(Expression * formula) {
   int currentColumn = selectedColumn();
   // Fetch the series used in the formula to compute the size of the filled in series
   char variables[7] = {0, 0, 0, 0, 0, 0, 0};
-  int numberOfVariables = formula->getVariables(Symbol::isSeriesSymbol, variables);
-  assert(numberOfVariables >= 0);
+  formula->getVariables(Symbol::isSeriesSymbol, variables);
   int numberOfValuesToCompute = -1;
   int index = 0;
   while (variables[index] != 0) {
diff --git a/apps/statistics/store_controller.h b/apps/statistics/store_controller.h
index 6a7d20143..9e81df313 100644
--- a/apps/statistics/store_controller.h
+++ b/apps/statistics/store_controller.h
@@ -11,6 +11,7 @@ namespace Statistics {
 class StoreController : public Shared::StoreController {
 public:
   StoreController(Responder * parentResponder, Store * store, ButtonRowController * header);
+  void setFormulaLabel() override;
   void fillColumnWithFormula(Poincare::Expression * formula) override;
   void willDisplayCellAtLocation(HighlightCell * cell, int i, int j) override;
 private: