diff --git a/apps/calculation/calculation.cpp b/apps/calculation/calculation.cpp
index 4e1105697..14e99efb3 100644
--- a/apps/calculation/calculation.cpp
+++ b/apps/calculation/calculation.cpp
@@ -41,7 +41,7 @@ void Calculation::setContent(const char * c, Context * context, Expression ansEx
      * to keep Ans symbol in the calculation store. */
     PoincareHelpers::Serialize(input, m_inputText, sizeof(m_inputText));
   }
-  Expression exactOutput = PoincareHelpers::ParseAndSimplify(m_inputText, *context);
+  Expression exactOutput = PoincareHelpers::ParseAndSimplifyForComplexFormat(m_inputText, *context);
   PoincareHelpers::Serialize(exactOutput, m_exactOutputText, sizeof(m_exactOutputText));
   Expression approximateOutput = PoincareHelpers::Approximate<double>(exactOutput, *context);
   PoincareHelpers::Serialize(approximateOutput, m_approximateOutputText, sizeof(m_approximateOutputText));
diff --git a/apps/shared/poincare_helpers.h b/apps/shared/poincare_helpers.h
index a9a2b9ef6..e57f89d2b 100644
--- a/apps/shared/poincare_helpers.h
+++ b/apps/shared/poincare_helpers.h
@@ -41,6 +41,10 @@ inline Poincare::Expression ParseAndSimplify(const char * text, Poincare::Contex
   return Poincare::Expression::ParseAndSimplify(text, context, Poincare::Preferences::sharedPreferences()->angleUnit());
 }
 
+inline Poincare::Expression ParseAndSimplifyForComplexFormat(const char * text, Poincare::Context & context) {
+  return Poincare::Expression::ParseAndSimplifyForComplexFormat(text, context, Poincare::Preferences::sharedPreferences()->angleUnit(), Poincare::Preferences::sharedPreferences()->complexFormat());
+}
+
 inline void Simplify(Poincare::Expression * e, Poincare::Context & context) {
   *e = e->simplify(context, Poincare::Preferences::sharedPreferences()->angleUnit());
 }