diff --git a/openedx/core/djangoapps/content/course_overviews/models.py b/openedx/core/djangoapps/content/course_overviews/models.py
index d3094f98ee..c136fd5610 100644
--- a/openedx/core/djangoapps/content/course_overviews/models.py
+++ b/openedx/core/djangoapps/content/course_overviews/models.py
@@ -828,6 +828,13 @@ class CourseOverview(TimeStampedModel):
         """
         return self._original_course.teams_enabled
 
+    @property
+    def show_calculator(self):
+        """
+        TODO: move this to the model.
+        """
+        return self._original_course.show_calculator
+
     def __str__(self):
         """Represent ourselves with the course key."""
         return six.text_type(self.id)
diff --git a/openedx/core/djangoapps/courseware_api/serializers.py b/openedx/core/djangoapps/courseware_api/serializers.py
index 2b83e7a15f..a27ddbf17b 100644
--- a/openedx/core/djangoapps/courseware_api/serializers.py
+++ b/openedx/core/djangoapps/courseware_api/serializers.py
@@ -87,6 +87,7 @@ class CourseInfoSerializer(serializers.Serializer):  # pylint: disable=abstract-
     user_has_staff_access = serializers.BooleanField()
     tabs = serializers.SerializerMethodField()
     verified_mode = serializers.SerializerMethodField()
+    show_calculator = serializers.BooleanField()
 
     def __init__(self, *args, **kwargs):
         """