diff --git a/apps/shared/curve_view_range.h b/apps/shared/curve_view_range.h
index ae31a94f2..40c0709bb 100644
--- a/apps/shared/curve_view_range.h
+++ b/apps/shared/curve_view_range.h
@@ -2,6 +2,7 @@
 #define SHARED_CURVE_VIEW_RANGE_H
 
 #include <stdint.h>
+#include <poincare/zoom.h>
 
 namespace Shared {
 
@@ -34,9 +35,9 @@ private:
   /* The grid units is constrained to be a number of type: k*10^n with k = 1,2 or 5
    * and n a relative integer. The choice of x and y grid units depend on the
    * grid range.*/
-  constexpr static float k_smallGridUnitMantissa = 1.0f;
-  constexpr static float k_mediumGridUnitMantissa = 2.0f;
-  constexpr static float k_largeGridUnitMantissa = 5.0f;
+  constexpr static float k_smallGridUnitMantissa = Poincare::Zoom::k_smallUnitMantissa;
+  constexpr static float k_mediumGridUnitMantissa = Poincare::Zoom::k_mediumUnitMantissa;
+  constexpr static float k_largeGridUnitMantissa = Poincare::Zoom::k_largeUnitMantissa;
   float computeGridUnit(float minNumberOfUnits, float maxNumberOfUnits, float range) const;
 };
 
diff --git a/poincare/include/poincare/zoom.h b/poincare/include/poincare/zoom.h
index 5b0d445d9..a12c9f1d8 100644
--- a/poincare/include/poincare/zoom.h
+++ b/poincare/include/poincare/zoom.h
@@ -9,6 +9,9 @@ namespace Poincare {
 class Zoom {
 public:
   static constexpr float k_defaultHalfRange = 10.f;
+  static constexpr float k_smallUnitMantissa = 1.f;
+  static constexpr float k_mediumUnitMantissa = 2.f;
+  static constexpr float k_largeUnitMantissa = 5.f;
 
   typedef float (*ValueAtAbscissa)(float abscissa, Context * context, const void * auxiliary);
 
diff --git a/poincare/src/zoom.cpp b/poincare/src/zoom.cpp
index 3a0999233..b90198405 100644
--- a/poincare/src/zoom.cpp
+++ b/poincare/src/zoom.cpp
@@ -15,7 +15,10 @@ constexpr float
   Zoom::k_breathingRoom,
   Zoom::k_forceXAxisThreshold,
   Zoom::k_defaultHalfRange,
-  Zoom::k_maxRatioBetweenPointsOfInterest;
+  Zoom::k_maxRatioBetweenPointsOfInterest,
+  Zoom::k_smallUnitMantissa,
+  Zoom::k_mediumUnitMantissa,
+  Zoom::k_largeUnitMantissa;
 
 bool Zoom::InterestingRangesForDisplay(ValueAtAbscissa evaluation, float * xMin, float * xMax, float * yMin, float * yMax, float tMin, float tMax, Context * context, const void * auxiliary) {
   assert(xMin && xMax && yMin && yMax);
@@ -226,7 +229,7 @@ void Zoom::SetToRatio(float yxRatio, float * xMin, float * xMax, float * yMin, f
 }
 
 void Zoom::RangeWithRatioForDisplay(ValueAtAbscissa evaluation, float yxRatio, float * xMin, float * xMax, float * yMin, float * yMax, Context * context, const void * auxiliary) {
-  constexpr float units[] = {1.f, 2.f, 5.f};
+  constexpr float units[] = {k_smallUnitMantissa, k_mediumUnitMantissa, k_largeUnitMantissa};
   constexpr float rangeMagnitudeWeight = 0.2f;
   constexpr float maxMagnitudeDifference = 1.2f;