diff --git a/apps/calculation/calculation.cpp b/apps/calculation/calculation.cpp
index d4c5a9e6c..8eba2ffaf 100644
--- a/apps/calculation/calculation.cpp
+++ b/apps/calculation/calculation.cpp
@@ -53,11 +53,15 @@ KDCoordinate Calculation::height(Context * context) {
     Layout inputLayout = createInputLayout();
     KDCoordinate inputHeight = inputLayout.layoutSize().height();
     Layout approximateLayout = createApproximateOutputLayout(context);
-    KDCoordinate approximateOutputHeight = approximateLayout.layoutSize().height();
+    Layout exactLayout = createExactOutputLayout();
     if (shouldOnlyDisplayApproximateOutput(context)) {
+      KDCoordinate approximateOutputHeight = approximateLayout.layoutSize().height();
       m_height = inputHeight+approximateOutputHeight;
+    } else if (shouldOnlyDisplayExactOutput()) {
+      KDCoordinate exactOutputHeight = exactLayout.layoutSize().height();
+      m_height = inputHeight+exactOutputHeight;
     } else {
-      Layout exactLayout = createExactOutputLayout();
+      KDCoordinate approximateOutputHeight = approximateLayout.layoutSize().height();
       KDCoordinate exactOutputHeight = exactLayout.layoutSize().height();
       KDCoordinate outputHeight = max(exactLayout.baseline(), approximateLayout.baseline()) + max(exactOutputHeight-exactLayout.baseline(), approximateOutputHeight-approximateLayout.baseline());
       m_height = inputHeight + outputHeight;
@@ -143,6 +147,10 @@ bool Calculation::shouldOnlyDisplayApproximateOutput(Context * context) {
   return input().isApproximate(*context) || exactOutput().isApproximate(*context);
 }
 
+bool Calculation::shouldOnlyDisplayExactOutput() {
+  return strchr(m_inputText, Ion::Charset::Sto) != nullptr;
+}
+
 Calculation::EqualSign Calculation::exactAndApproximateDisplayedOutputsAreEqual(Poincare::Context * context) {
   if (m_equalSign != EqualSign::Unknown) {
     return m_equalSign;
diff --git a/apps/calculation/calculation.h b/apps/calculation/calculation.h
index 1cd0a5225..a47e7868b 100644
--- a/apps/calculation/calculation.h
+++ b/apps/calculation/calculation.h
@@ -34,6 +34,7 @@ public:
   bool isEmpty();
   void tidy();
   bool shouldOnlyDisplayApproximateOutput(Poincare::Context * context);
+  bool shouldOnlyDisplayExactOutput();
   EqualSign exactAndApproximateDisplayedOutputsAreEqual(Poincare::Context * context);
   constexpr static int k_printedExpressionSize = 2*::TextField::maxBufferSize();
 private:
diff --git a/apps/calculation/history_view_cell.cpp b/apps/calculation/history_view_cell.cpp
index 545cd7d30..d95a3535a 100644
--- a/apps/calculation/history_view_cell.cpp
+++ b/apps/calculation/history_view_cell.cpp
@@ -105,13 +105,21 @@ void HistoryViewCell::setCalculation(Calculation * calculation) {
   /* Both output expressions have to be updated at the same time. Otherwise,
    * when updating one layout, if the second one still points to a deleted
    * layout, calling to layoutSubviews() would fail. */
+  assert(!calculation->shouldOnlyDisplayApproximateOutput(calculationApp->localContext()) || !calculation->shouldOnlyDisplayExactOutput());
   if (!m_exactOutputLayout.isUninitialized()) {
     m_exactOutputLayout = Poincare::Layout();
   }
-  if (!calculation->shouldOnlyDisplayApproximateOutput(calculationApp->localContext())) {
-    m_exactOutputLayout = calculation->createExactOutputLayout();
+  if (!m_approximateOutputLayout.isUninitialized()) {
+    m_approximateOutputLayout = Poincare::Layout();
+  }
+  if (calculation->shouldOnlyDisplayExactOutput()) {
+    m_approximateOutputLayout = calculation->createExactOutputLayout();
+  } else {
+    m_approximateOutputLayout = calculation->createApproximateOutputLayout(calculationApp->localContext());
+    if (!calculation->shouldOnlyDisplayApproximateOutput(calculationApp->localContext())) {
+      m_exactOutputLayout = calculation->createExactOutputLayout();
+    }
   }
-  m_approximateOutputLayout = calculation->createApproximateOutputLayout(calculationApp->localContext());
   m_scrollableOutputView.setLayouts(m_approximateOutputLayout, m_exactOutputLayout);
   I18n::Message equalMessage = calculation->exactAndApproximateDisplayedOutputsAreEqual(calculationApp->localContext()) == Calculation::EqualSign::Equal ? I18n::Message::Equal : I18n::Message::AlmostEqual;
   m_scrollableOutputView.setEqualMessage(equalMessage);