diff --git a/apps/probability/calculation_controller.cpp b/apps/probability/calculation_controller.cpp
index 091e54e44..3dbf356dc 100644
--- a/apps/probability/calculation_controller.cpp
+++ b/apps/probability/calculation_controller.cpp
@@ -74,24 +74,25 @@ void CalculationController::ContentView::layoutSubviews() {
   m_titleView.setFrame(KDRect(0, 0, bounds().width(), titleHeight));
   KDSize charSize = KDText::stringSize(" ");
   KDCoordinate xCoordinate = 0;
-  m_lawCurveView.setFrame(KDRect(0,  titleHeight+ImageTableView::k_imageCellHeight, bounds().width(), bounds().height() - ImageTableView::k_imageCellHeight-titleHeight));
-  m_imageTableView.setFrame(KDRect(xCoordinate, titleHeight, ImageTableView::k_imageCellWidth, 3*ImageTableView::k_imageCellHeight));
-  xCoordinate += ImageTableView::k_imageCellWidth + k_textWidthMargin;
+  m_lawCurveView.setFrame(KDRect(0,  titleHeight+ImageTableView::k_oneCellHeight, bounds().width(), bounds().height() - ImageTableView::k_oneCellHeight-titleHeight));
+  KDSize tableSize = m_imageTableView.minimalSizeForOptimalDisplay();
+  m_imageTableView.setFrame(KDRect(xCoordinate, titleHeight, tableSize));
+  xCoordinate += tableSize.width() + k_textWidthMargin;
   KDCoordinate numberOfCharacters = strlen(I18n::translate(m_calculation->legendForParameterAtIndex(0)));
-  m_text[0].setFrame(KDRect(xCoordinate, titleHeight+ImageCell::k_imageMargin, numberOfCharacters*charSize.width(), ImageCell::k_imageHeight));
+  m_text[0].setFrame(KDRect(xCoordinate, titleHeight+ImageTableView::k_totalMargin, numberOfCharacters*charSize.width(), ImageCell::k_height));
   xCoordinate += numberOfCharacters*charSize.width() + k_textWidthMargin;
-  m_calculationCell[0].setFrame(KDRect(xCoordinate, titleHeight+ImageCell::k_imageMargin, k_textFieldWidth, ImageCell::k_imageHeight));
+  m_calculationCell[0].setFrame(KDRect(xCoordinate, titleHeight+ImageTableView::k_totalMargin, k_textFieldWidth, ImageCell::k_height));
   xCoordinate += k_textFieldWidth + k_textWidthMargin;
   numberOfCharacters = strlen(I18n::translate(m_calculation->legendForParameterAtIndex(1)));
-  m_text[1].setFrame(KDRect(xCoordinate, titleHeight+ImageCell::k_imageMargin, numberOfCharacters*charSize.width(), ImageCell::k_imageHeight));
+  m_text[1].setFrame(KDRect(xCoordinate, titleHeight+ImageTableView::k_totalMargin, numberOfCharacters*charSize.width(), ImageCell::k_height));
   xCoordinate += numberOfCharacters*charSize.width() + k_textWidthMargin;
-  m_calculationCell[1].setFrame(KDRect(xCoordinate, titleHeight+ImageCell::k_imageMargin, k_textFieldWidth, ImageCell::k_imageHeight));
+  m_calculationCell[1].setFrame(KDRect(xCoordinate, titleHeight+ImageTableView::k_totalMargin, k_textFieldWidth, ImageCell::k_height));
   xCoordinate += k_textFieldWidth + k_textWidthMargin;
   if (m_calculation->numberOfParameters() > 2) {
     numberOfCharacters = strlen(I18n::translate(m_calculation->legendForParameterAtIndex(2)));;
-    m_text[2].setFrame(KDRect(xCoordinate, titleHeight+ImageCell::k_imageMargin, numberOfCharacters*charSize.width(), ImageCell::k_imageHeight));
+    m_text[2].setFrame(KDRect(xCoordinate, titleHeight+ImageTableView::k_totalMargin, numberOfCharacters*charSize.width(), ImageCell::k_height));
     xCoordinate += numberOfCharacters*charSize.width() + k_textWidthMargin;
-    m_calculationCell[2].setFrame(KDRect(xCoordinate, titleHeight+ImageCell::k_imageMargin, k_textFieldWidth, ImageCell::k_imageHeight));
+    m_calculationCell[2].setFrame(KDRect(xCoordinate, titleHeight+ImageTableView::k_totalMargin, k_textFieldWidth, ImageCell::k_height));
   }
   for (int k = 0; k < m_calculation->numberOfParameters(); k++) {
     willDisplayEditableCellAtIndex(k);
@@ -99,20 +100,20 @@ void CalculationController::ContentView::layoutSubviews() {
 }
 
 void CalculationController::ContentView::drawRect(KDContext * ctx, KDRect rect) const {
-  ctx->fillRect(bounds(), KDColorWhite);
   KDCoordinate titleHeight = KDText::stringSize("", KDText::FontSize::Small).height()+k_titleHeightMargin;
+  ctx->fillRect(KDRect(0,titleHeight, bounds().width(), ImageTableView::k_oneCellWidth), KDColorWhite);
   KDSize charSize = KDText::stringSize(" ");
-  KDCoordinate xCoordinate = ImageTableView::k_imageCellWidth + k_textWidthMargin;
+  KDCoordinate xCoordinate = ImageTableView::k_oneCellWidth + k_textWidthMargin;
   KDCoordinate numberOfCharacters = strlen(I18n::translate(m_calculation->legendForParameterAtIndex(0)));
   xCoordinate += numberOfCharacters*charSize.width() + k_textWidthMargin;
 
-  ctx->drawRect(KDRect(xCoordinate-1, titleHeight+ImageCell::k_imageMargin-1, k_textFieldWidth+1, ImageCell::k_imageHeight+1), Palette::GreyMiddle);
+  ctx->drawRect(KDRect(xCoordinate-ImageTableView::k_outline, titleHeight+ImageTableView::k_margin, k_textFieldWidth+ImageTableView::k_outline, ImageCell::k_height+ImageTableView::k_outline), Palette::GreyMiddle);
 
   xCoordinate += k_textFieldWidth + k_textWidthMargin;
   numberOfCharacters = strlen(I18n::translate(m_calculation->legendForParameterAtIndex(1)));
   xCoordinate += numberOfCharacters*charSize.width() + k_textWidthMargin;
 
-  ctx->drawRect(KDRect(xCoordinate-1, titleHeight+ImageCell::k_imageMargin-1, k_textFieldWidth+1, ImageCell::k_imageHeight+1), Palette::GreyMiddle);
+  ctx->drawRect(KDRect(xCoordinate-ImageTableView::k_outline, titleHeight+ImageTableView::k_margin, k_textFieldWidth+ImageTableView::k_outline, ImageCell::k_height+ImageTableView::k_outline), Palette::GreyMiddle);
 }
 
 LawCurveView * CalculationController::ContentView::lawCurveView() {
diff --git a/apps/probability/image_table_view.cpp b/apps/probability/image_table_view.cpp
index 8a83f331f..e01797f80 100644
--- a/apps/probability/image_table_view.cpp
+++ b/apps/probability/image_table_view.cpp
@@ -15,15 +15,6 @@ ImageCell::ImageCell() :
 {
 }
 
-void ImageCell::drawRect(KDContext * ctx, KDRect rect) const {
-  KDCoordinate width = bounds().width();
-  KDCoordinate height = bounds().height();
-  ctx->fillRect(KDRect(0,0, width, k_imageMargin), KDColorWhite);
-  ctx->fillRect(KDRect(0,0, k_imageMargin, height), KDColorWhite);
-  ctx->fillRect(KDRect(0,height-k_imageMargin, width, k_imageMargin), KDColorWhite);
-  ctx->fillRect(KDRect(width-k_imageMargin,0, k_imageMargin, height), KDColorWhite);
-}
-
 int ImageCell::numberOfSubviews() const {
   return 1;
 }
@@ -34,9 +25,7 @@ View * ImageCell::subviewAtIndex(int index) {
 }
 
 void ImageCell::layoutSubviews() {
-  KDCoordinate width = bounds().width();
-  KDCoordinate height = bounds().height();
-  m_iconView.setFrame(KDRect(k_imageMargin, k_imageMargin, width - 2*k_imageMargin, height-2*k_imageMargin));
+  m_iconView.setFrame(bounds());
 }
 
 void ImageCell::reloadCell() {
@@ -64,6 +53,14 @@ ImageTableView::ImageTableView(Responder * parentResponder, Calculation * calcul
   assert(m_calculation != nullptr);
 }
 
+void ImageTableView::drawRect(KDContext * ctx, KDRect rect) const {
+  ctx->drawRect(KDRect(k_margin, k_margin, ImageCell::k_width+k_outline, ImageCell::k_height+k_outline), Palette::GreyMiddle);
+}
+
+KDSize ImageTableView::minimalSizeForOptimalDisplay() const {
+  return KDSize(2*k_totalMargin+ImageCell::k_width, k_totalMargin+3*ImageCell::k_height);
+}
+
 void ImageTableView::didBecomeFirstResponder() {
   m_selectableTableView.reloadData();
   m_isSelected = true;
@@ -141,7 +138,7 @@ void ImageTableView::willDisplayCellForIndex(HighlightCell * cell, int index) {
 }
 
 KDCoordinate ImageTableView::cellHeight() {
-  return k_imageCellHeight;
+  return ImageCell::k_height;
 }
 
 int ImageTableView::numberOfSubviews() const {
@@ -154,7 +151,7 @@ View * ImageTableView::subviewAtIndex(int index) {
 }
 
 void ImageTableView::layoutSubviews() {
-  m_selectableTableView.setFrame(bounds());
+  m_selectableTableView.setFrame(KDRect(k_totalMargin, k_totalMargin, bounds().width()-2*k_totalMargin, bounds().height()-k_totalMargin));
 }
 
 }
diff --git a/apps/probability/image_table_view.h b/apps/probability/image_table_view.h
index 6c1bf7e3a..7cc16e103 100644
--- a/apps/probability/image_table_view.h
+++ b/apps/probability/image_table_view.h
@@ -11,12 +11,10 @@ class CalculationController;
 class ImageCell : public HighlightCell {
 public:
   ImageCell();
-  void drawRect(KDContext * ctx, KDRect rect) const override;
   void reloadCell() override;
   void setImage(const Image * image, const Image * focusedImage);
-  constexpr static KDCoordinate k_imageMargin = 3;
-  constexpr static KDCoordinate k_imageWidth = 35;
-  constexpr static KDCoordinate k_imageHeight = 19;
+  constexpr static KDCoordinate k_width = 39;
+  constexpr static KDCoordinate k_height = 23;
 private:
   int numberOfSubviews() const override;
   View * subviewAtIndex(int index) override;
@@ -27,9 +25,10 @@ private:
 };
 
 class ImageTableView : public View, public Responder, public SimpleListViewDataSource, public SelectableTableViewDataSource {
-  public:
-    ImageTableView(Responder * parentResponder, Calculation * calculation, CalculationController * calculationController);
-  void setCalculation(Calculation * calculation, int index);
+public:
+  ImageTableView(Responder * parentResponder, Calculation * calculation, CalculationController * calculationController);
+  void drawRect(KDContext * ctx, KDRect rect) const override;
+  KDSize minimalSizeForOptimalDisplay() const override;
   bool handleEvent(Ion::Events::Event event) override;
   void didBecomeFirstResponder() override;
   void willExitResponderChain(Responder * nextFirstResponder) override;
@@ -40,8 +39,11 @@ class ImageTableView : public View, public Responder, public SimpleListViewDataS
   KDCoordinate cellHeight() override;
   HighlightCell * reusableCell(int index) override;
   int reusableCellCount() override;
-  constexpr static KDCoordinate k_imageCellWidth = 2*ImageCell::k_imageMargin+ImageCell::k_imageWidth;
-  constexpr static KDCoordinate k_imageCellHeight = 2*ImageCell::k_imageMargin+ImageCell::k_imageHeight;
+  constexpr static KDCoordinate k_outline = 1;
+  constexpr static KDCoordinate k_margin = 3;
+  constexpr static KDCoordinate k_totalMargin = k_outline+k_margin;
+  constexpr static KDCoordinate k_oneCellWidth = 2*k_totalMargin+ImageCell::k_width;
+  constexpr static KDCoordinate k_oneCellHeight = 2*k_totalMargin+ImageCell::k_height;
 private:
   int numberOfSubviews() const override;
   View * subviewAtIndex(int index) override;
diff --git a/apps/probability/images/calcul1_icon.png b/apps/probability/images/calcul1_icon.png
index ead03e882..feedb4412 100644
Binary files a/apps/probability/images/calcul1_icon.png and b/apps/probability/images/calcul1_icon.png differ
diff --git a/apps/probability/images/calcul2_icon.png b/apps/probability/images/calcul2_icon.png
index b616d929b..218102ba0 100644
Binary files a/apps/probability/images/calcul2_icon.png and b/apps/probability/images/calcul2_icon.png differ
diff --git a/apps/probability/images/calcul3_icon.png b/apps/probability/images/calcul3_icon.png
index 777e0df10..f67ffe379 100644
Binary files a/apps/probability/images/calcul3_icon.png and b/apps/probability/images/calcul3_icon.png differ
diff --git a/apps/probability/images/focused_calcul1_icon.png b/apps/probability/images/focused_calcul1_icon.png
index 5c8bdd9f1..11ca66e1b 100644
Binary files a/apps/probability/images/focused_calcul1_icon.png and b/apps/probability/images/focused_calcul1_icon.png differ
diff --git a/apps/probability/images/focused_calcul2_icon.png b/apps/probability/images/focused_calcul2_icon.png
index 1cc400d68..89cb0c89e 100644
Binary files a/apps/probability/images/focused_calcul2_icon.png and b/apps/probability/images/focused_calcul2_icon.png differ
diff --git a/apps/probability/images/focused_calcul3_icon.png b/apps/probability/images/focused_calcul3_icon.png
index 540b58b06..5a9ee752a 100644
Binary files a/apps/probability/images/focused_calcul3_icon.png and b/apps/probability/images/focused_calcul3_icon.png differ