diff --git a/apps/graph/graph/graph_view.cpp b/apps/graph/graph/graph_view.cpp
index 77fb1468d..cc4358d9d 100644
--- a/apps/graph/graph/graph_view.cpp
+++ b/apps/graph/graph/graph_view.cpp
@@ -62,7 +62,8 @@ void GraphView::drawRect(KDContext * ctx, KDRect rect) const {
             ContinuousFunction * f = (ContinuousFunction *)model;
             Poincare::Context * c = (Poincare::Context *)context;
             return f->evaluateXYAtParameter(t, c);
-          });
+          },
+          &ContinuousFunctionCache::PrepareCache);
       /* Draw tangent */
       if (m_tangent && record == m_selectedRecord) {
         float tangentParameterA = f->approximateDerivative(m_curveViewCursor->x(), context());
@@ -83,7 +84,9 @@ void GraphView::drawRect(KDContext * ctx, KDRect rect) const {
         ContinuousFunction * f = (ContinuousFunction *)model;
         Poincare::Context * c = (Poincare::Context *)context;
         return f->evaluateXYAtParameter(t, c);
-      }, f.operator->(), context(), false, f->color());
+      }, f.operator->(), context(), false, f->color(),
+      true, false, 0.0f, 0.0f, /* drawCurve's default arguments */
+      &ContinuousFunctionCache::PrepareCache);
   }
 }
 
diff --git a/apps/shared/curve_view.cpp b/apps/shared/curve_view.cpp
index 77003ab40..e32fd9881 100644
--- a/apps/shared/curve_view.cpp
+++ b/apps/shared/curve_view.cpp
@@ -602,7 +602,8 @@ const uint8_t thickStampMask[(thickStampSize+1)*(thickStampSize+1)] = {
 
 constexpr static int k_maxNumberOfIterations = 10;
 
-void CurveView::drawCurve(KDContext * ctx, KDRect rect, float tStart, float tEnd, float tStep, EvaluateXYForFloatParameter xyFloatEvaluation, void * model, void * context, bool drawStraightLinesEarly, KDColor color, bool thick, bool colorUnderCurve, float colorLowerBound, float colorUpperBound, EvaluateXYForDoubleParameter xyDoubleEvaluation) const {
+void CurveView::drawCurve(KDContext * ctx, KDRect rect, float tStart, float tEnd, float tStep, EvaluateXYForFloatParameter xyFloatEvaluation, void * model, void * context, bool drawStraightLinesEarly, KDColor color, bool thick, bool colorUnderCurve, float colorLowerBound, float colorUpperBound, EvaluateXYForDoubleParameter xyDoubleEvaluation, PrepareContinuousFunction functionPreparator) const {
+  functionPreparator(model, context, tStart, tStep);
   float previousT = NAN;
   float t = NAN;
   float previousX = NAN;
@@ -634,7 +635,7 @@ void CurveView::drawCurve(KDContext * ctx, KDRect rect, float tStart, float tEnd
   } while (true);
 }
 
-void CurveView::drawCartesianCurve(KDContext * ctx, KDRect rect, float xMin, float xMax, EvaluateXYForFloatParameter xyFloatEvaluation, void * model, void * context, KDColor color, bool thick, bool colorUnderCurve, float colorLowerBound, float colorUpperBound, EvaluateXYForDoubleParameter xyDoubleEvaluation) const {
+void CurveView::drawCartesianCurve(KDContext * ctx, KDRect rect, float xMin, float xMax, EvaluateXYForFloatParameter xyFloatEvaluation, void * model, void * context, KDColor color, bool thick, bool colorUnderCurve, float colorLowerBound, float colorUpperBound, EvaluateXYForDoubleParameter xyDoubleEvaluation, PrepareContinuousFunction functionPreparator) const {
   float rectLeft = pixelToFloat(Axis::Horizontal, rect.left() - k_externRectMargin);
   float rectRight = pixelToFloat(Axis::Horizontal, rect.right() + k_externRectMargin);
   float tStart = std::isnan(rectLeft) ? xMin : std::max(xMin, rectLeft);
@@ -644,7 +645,7 @@ void CurveView::drawCartesianCurve(KDContext * ctx, KDRect rect, float xMin, flo
     return;
   }
   float tStep = pixelWidth();
-  drawCurve(ctx, rect, tStart, tEnd, tStep, xyFloatEvaluation, model, context, true, color, thick, colorUnderCurve, colorLowerBound, colorUpperBound, xyDoubleEvaluation);
+  drawCurve(ctx, rect, tStart, tEnd, tStep, xyFloatEvaluation, model, context, true, color, thick, colorUnderCurve, colorLowerBound, colorUpperBound, xyDoubleEvaluation, functionPreparator);
 }
 
 void CurveView::drawHistogram(KDContext * ctx, KDRect rect, EvaluateYForX yEvaluation, void * model, void * context, float firstBarAbscissa, float barWidth,
diff --git a/apps/shared/curve_view.h b/apps/shared/curve_view.h
index 00a3119a0..6f953a43a 100644
--- a/apps/shared/curve_view.h
+++ b/apps/shared/curve_view.h
@@ -19,6 +19,7 @@ public:
   typedef Poincare::Coordinate2D<float> (*EvaluateXYForFloatParameter)(float t, void * model, void * context);
   typedef Poincare::Coordinate2D<double> (*EvaluateXYForDoubleParameter)(double t, void * model, void * context);
   typedef float (*EvaluateYForX)(float x, void * model, void * context);
+  typedef void (* PrepareContinuousFunction)(void * model, void * context, float xMin, float xStep);
   enum class Axis {
     Horizontal = 0,
     Vertical = 1
@@ -107,8 +108,8 @@ protected:
   void drawGrid(KDContext * ctx, KDRect rect) const;
   void drawAxes(KDContext * ctx, KDRect rect) const;
   void drawAxis(KDContext * ctx, KDRect rect, Axis axis) const;
-  void drawCurve(KDContext * ctx, KDRect rect, float tStart, float tEnd, float tStep, EvaluateXYForFloatParameter xyFloatEvaluation, void * model, void * context, bool drawStraightLinesEarly, KDColor color, bool thick = true, bool colorUnderCurve = false, float colorLowerBound = 0.0f, float colorUpperBound = 0.0f, EvaluateXYForDoubleParameter xyDoubleEvaluation = nullptr) const;
-  void drawCartesianCurve(KDContext * ctx, KDRect rect, float xMin, float xMax, EvaluateXYForFloatParameter xyFloatEvaluation, void * model, void * context, KDColor color, bool thick = true, bool colorUnderCurve = false, float colorLowerBound = 0.0f, float colorUpperBound = 0.0f, EvaluateXYForDoubleParameter xyDoubleEvaluation = nullptr) const;
+  void drawCurve(KDContext * ctx, KDRect rect, float tStart, float tEnd, float tStep, EvaluateXYForFloatParameter xyFloatEvaluation, void * model, void * context, bool drawStraightLinesEarly, KDColor color, bool thick = true, bool colorUnderCurve = false, float colorLowerBound = 0.0f, float colorUpperBound = 0.0f, EvaluateXYForDoubleParameter xyDoubleEvaluation = nullptr, PrepareContinuousFunction functionPreparator = [](void * model, void * context, float xMin, float xStep) {}) const;
+  void drawCartesianCurve(KDContext * ctx, KDRect rect, float xMin, float xMax, EvaluateXYForFloatParameter xyFloatEvaluation, void * model, void * context, KDColor color, bool thick = true, bool colorUnderCurve = false, float colorLowerBound = 0.0f, float colorUpperBound = 0.0f, EvaluateXYForDoubleParameter xyDoubleEvaluation = nullptr, PrepareContinuousFunction functionPreparator = [](void * model, void * context, float xMin, float xStep) {}) const;
   void drawHistogram(KDContext * ctx, KDRect rect, EvaluateYForX yEvaluation, void * model, void * context, float firstBarAbscissa, float barWidth,
     bool fillBar, KDColor defaultColor, KDColor highlightColor,  float highlightLowerBound = INFINITY, float highlightUpperBound = -INFINITY) const;
   void computeLabels(Axis axis);