diff --git a/apps/shared/cartesian_function.cpp b/apps/shared/cartesian_function.cpp
index 823b5e8cc..5909796d1 100644
--- a/apps/shared/cartesian_function.cpp
+++ b/apps/shared/cartesian_function.cpp
@@ -78,6 +78,14 @@ int CartesianFunction::derivativeNameWithArgument(char * buffer, size_t bufferSi
   return numberOfChars + derivativeSize;
 }
 
+CartesianFunction::PlotType CartesianFunction::plotType() const {
+  return recordData()->plotType();
+}
+
+void CartesianFunction::setPlotType(PlotType plotType) {
+  return recordData()->setPlotType(plotType);
+}
+
 bool CartesianFunction::displayDerivative() const {
   return recordData()->displayDerivative();
 }
diff --git a/apps/shared/cartesian_function.h b/apps/shared/cartesian_function.h
index 2ccea10d5..671921a24 100644
--- a/apps/shared/cartesian_function.h
+++ b/apps/shared/cartesian_function.h
@@ -16,6 +16,14 @@ public:
   {}
   CodePoint symbol() const override { return 'x'; }
 
+  enum class PlotType {
+    Cartesian = 0,
+    Polar = 1,
+    Parametric = 2
+  };
+  PlotType plotType() const;
+  void setPlotType(PlotType plotType);
+
   // Evaluation
   float evaluateAtAbscissa(float x, Poincare::Context * context) const override {
     return templatedApproximateAtAbscissa(x, context);
@@ -37,11 +45,15 @@ private:
   public:
     CartesianFunctionRecordDataBuffer(KDColor color) :
       FunctionRecordDataBuffer(color),
+      m_plotType(PlotType::Cartesian),
       m_displayDerivative(false)
     {}
+    PlotType plotType() const { return m_plotType; }
+    void setPlotType(PlotType plotType) { m_plotType = plotType; }
     bool displayDerivative() const { return m_displayDerivative; }
     void setDisplayDerivative(bool display) { m_displayDerivative = display; }
   private:
+    PlotType m_plotType;
     bool m_displayDerivative;
     /* In the record, after the boolean flag about displayDerivative, there is
      * the expression of the function, directly copied from the pool. */