diff --git a/apps/curve_view.cpp b/apps/curve_view.cpp
index 8c07a3569..60541ec1f 100644
--- a/apps/curve_view.cpp
+++ b/apps/curve_view.cpp
@@ -231,14 +231,14 @@ void CurveView::drawDiscreteHistogram(KDContext * ctx, KDRect rect, KDColor colo
   }
 }
 
-void CurveView::drawHistogram(KDContext * ctx, KDRect rect, float barStart, float barWidth, KDColor color, KDColor highlightColor, float coloredBin) const {
+void CurveView::drawHistogram(KDContext * ctx, KDRect rect, float firsBarAbscissa, float barWidth, KDColor color, KDColor highlightColor, float coloredBin) const {
   KDCoordinate pixelBarWidth = floatToPixel(Axis::Horizontal, barWidth) - floatToPixel(Axis::Horizontal, 0.0f);
   float rectMin = pixelToFloat(Axis::Horizontal, rect.left());
-  int rectMinBinNumber = floorf((rectMin - barStart)/barWidth);
-  float rectMinLowerBound = barStart + rectMinBinNumber*barWidth + barWidth/2;
+  int rectMinBinNumber = floorf((rectMin - firsBarAbscissa)/barWidth);
+  float rectMinLowerBound = firsBarAbscissa + rectMinBinNumber*barWidth + barWidth/2;
   float rectMax = pixelToFloat(Axis::Horizontal, rect.right());
-  int rectMaxBinNumber = floorf((rectMax - barStart)/barWidth);
-  float rectMaxUpperBound = barStart + (rectMaxBinNumber+1)*barWidth + barWidth;
+  int rectMaxBinNumber = floorf((rectMax - firsBarAbscissa)/barWidth);
+  float rectMaxUpperBound = firsBarAbscissa + (rectMaxBinNumber+1)*barWidth + barWidth;
   for (float x = rectMinLowerBound; x < rectMaxUpperBound; x += barWidth) {
     float y = evaluateCurveAtAbscissa(nullptr, x);
     if (!isnan(y)) {
diff --git a/apps/curve_view.h b/apps/curve_view.h
index 2d17a8f8d..b145ae9d4 100644
--- a/apps/curve_view.h
+++ b/apps/curve_view.h
@@ -37,7 +37,7 @@ protected:
   void drawAxes(KDContext * ctx, KDRect rect, Axis axis) const;
   void drawCurve(KDContext * ctx, KDRect rect, Model * curve, KDColor color, bool colorUnderCurve = false, float colorLowerBound = 0.0f, float colorUpperBound = 0.0f, bool continuously = false) const;
   void drawDiscreteHistogram(KDContext * ctx, KDRect rect, KDColor color, bool colorHighlightBin = false, KDColor highlightColor = KDColorBlack, float colorLowerBound = 0.0f, float colorUpperBound = 0.0f) const;
-  void drawHistogram(KDContext * ctx, KDRect rect, float barStart, float barWidth, KDColor color, KDColor highlightColor, float coloredBin) const;
+  void drawHistogram(KDContext * ctx, KDRect rect, float firsBarAbscissa, float barWidth, KDColor color, KDColor highlightColor, float coloredBin) const;
   void computeLabels(Axis axis);
   void drawLabels(KDContext * ctx, KDRect rect, Axis axis, bool shiftOrigin) const;
 private:
diff --git a/apps/statistics/data.cpp b/apps/statistics/data.cpp
index 57f83f440..971459337 100644
--- a/apps/statistics/data.cpp
+++ b/apps/statistics/data.cpp
@@ -10,7 +10,7 @@ Data::Data() :
   m_numberOfPairs(0),
   m_barWidth(1.0f),
   m_selectedBar(0.0f),
-  m_barStart(0.0f),
+  m_firstBarAbscissa(0.0f),
   m_xMin(0.0f),
   m_xMax(10.0f),
   m_yMax(1.0f),
@@ -92,20 +92,20 @@ void Data::setBarWidth(float barWidth) {
   initWindowParameters();
 }
 
-float Data::barStart() {
-  return m_barStart;
+float Data::firsBarAbscissa() {
+  return m_firstBarAbscissa;
 }
 
-void Data::setBarStart(float barStart) {
-  m_barStart = barStart;
+void Data::setFirsBarAbscissa(float firsBarAbscissa) {
+  m_firstBarAbscissa = firsBarAbscissa;
   initWindowParameters();
 }
 
 int Data::heightForBarAtValue(float value) {
   float width = barWidth();
-  int barNumber = floorf((value - m_barStart)/width);
-  float lowerBound = m_barStart + barNumber*width;
-  float upperBound = m_barStart + (barNumber+1)*width;
+  int barNumber = floorf((value - m_firstBarAbscissa)/width);
+  float lowerBound = m_firstBarAbscissa + barNumber*width;
+  float upperBound = m_firstBarAbscissa + (barNumber+1)*width;
   return sumOfValuesBetween(lowerBound, upperBound);
 }
 
@@ -264,7 +264,7 @@ bool Data::scrollToSelectedBar() {
 void Data::initBarParameters() {
   float min = minValue();
   float max = maxValue();
-  m_barStart = min;
+  m_firstBarAbscissa = min;
   m_barWidth = computeGridUnit(Axis::X, min, max);
   if (m_barWidth <= 0.0f) {
     m_barWidth = 1.0f;
@@ -274,7 +274,7 @@ void Data::initBarParameters() {
 void Data::initWindowParameters() {
   float min = minValue();
   float max = maxValue();
-  m_xMin = m_barStart;
+  m_xMin = m_firstBarAbscissa;
   m_xMax = max + m_barWidth;
   if ((m_xMax - m_xMin)/m_barWidth > k_maxNumberOfBarsPerWindow) {
     m_xMax = m_xMin + k_maxNumberOfBarsPerWindow*m_barWidth;
@@ -292,13 +292,13 @@ void Data::initWindowParameters() {
   m_yMax = m_yMax/(float)totalSize();
   m_xGridUnit = computeGridUnit(Axis::X, m_xMin, m_xMax);
 
-  m_selectedBar = m_barStart + m_barWidth/2;
+  m_selectedBar = m_firstBarAbscissa + m_barWidth/2;
   while (heightForBarAtValue(m_selectedBar) == 0 && m_selectedBar < max + m_barWidth) {
     m_selectedBar += m_barWidth;
   }
   if (m_selectedBar > max + m_barWidth) {
-    /* No bar is after m_barStart */
-    m_selectedBar = m_barStart + m_barWidth/2;
+    /* No bar is after m_firstBarAbscissa */
+    m_selectedBar = m_firstBarAbscissa + m_barWidth/2;
     while (heightForBarAtValue(m_selectedBar) == 0 && m_selectedBar > min - m_barWidth) {
       m_selectedBar -= m_barWidth;
     }
diff --git a/apps/statistics/data.h b/apps/statistics/data.h
index 7a5af4cea..f4a5870e1 100644
--- a/apps/statistics/data.h
+++ b/apps/statistics/data.h
@@ -23,8 +23,8 @@ public:
   // Histogram bars
   float barWidth();
   void setBarWidth(float barWidth);
-  float barStart();
-  void setBarStart(float barStart);
+  float firsBarAbscissa();
+  void setFirsBarAbscissa(float firsBarAbscissa);
   int heightForBarAtValue(float value);
   float selectedBar();
   bool selectNextBarToward(int direction);
@@ -68,7 +68,7 @@ private:
   // Histogram bars
   float m_barWidth;
   float m_selectedBar;
-  float m_barStart;
+  float m_firstBarAbscissa;
   // Window bounds of the data
   float m_xMin;
   float m_xMax;
diff --git a/apps/statistics/histogram_parameter_controller.cpp b/apps/statistics/histogram_parameter_controller.cpp
index 691167f86..1a5559cb9 100644
--- a/apps/statistics/histogram_parameter_controller.cpp
+++ b/apps/statistics/histogram_parameter_controller.cpp
@@ -26,7 +26,7 @@ float HistogramParameterController::parameterAtIndex(int index) {
   if (index == 0) {
     return m_data->barWidth();
   }
-  return m_data->barStart();
+  return m_data->firsBarAbscissa();
 }
 
 void HistogramParameterController::setParameterAtIndex(int parameterIndex, float f) {
@@ -38,7 +38,7 @@ void HistogramParameterController::setParameterAtIndex(int parameterIndex, float
     }
     m_data->setBarWidth(f);
   } else {
-    m_data->setBarStart(f);
+    m_data->setFirsBarAbscissa(f);
   }
 }
 
diff --git a/apps/statistics/histogram_view.cpp b/apps/statistics/histogram_view.cpp
index 25aea8fc8..1f59e3cf7 100644
--- a/apps/statistics/histogram_view.cpp
+++ b/apps/statistics/histogram_view.cpp
@@ -45,9 +45,9 @@ void HistogramView::drawRect(KDContext * ctx, KDRect rect) const {
   drawAxes(ctx, rect, Axis::Horizontal);
   drawLabels(ctx, rect, Axis::Horizontal, true);
   if (m_selectedBins) {
-    drawHistogram(ctx, rect, m_data->barStart(), m_data->barWidth(), KDColorBlack, KDColorRed, m_data->selectedBar());
+    drawHistogram(ctx, rect, m_data->firsBarAbscissa(), m_data->barWidth(), KDColorBlack, KDColorRed, m_data->selectedBar());
   } else {
-    drawHistogram(ctx, rect, m_data->barStart(), m_data->barWidth(), KDColorBlack, KDColorRed, NAN);
+    drawHistogram(ctx, rect, m_data->firsBarAbscissa(), m_data->barWidth(), KDColorBlack, KDColorRed, NAN);
   }
 }