diff --git a/gui/mainwindow.cpp b/gui/mainwindow.cpp
index 4e910f7f2f..16c3e7014e 100644
--- a/gui/mainwindow.cpp
+++ b/gui/mainwindow.cpp
@@ -102,8 +102,9 @@ MainWindow::MainWindow(QWidget *parent)
             });
 
     connect(ui->actionSettings, &QAction::triggered, this, [this] {
-        SettingsDialog dialog(this);
-        dialog.exec();
+        SettingsDialog dialog(m_settings, this);
+        if (dialog.exec() == QDialog::Accepted)
+            m_settings = dialog.settings();
     });
 
     deactivateZoom();
diff --git a/gui/settingsdialog.cpp b/gui/settingsdialog.cpp
index e6b8398458..70df8ba103 100644
--- a/gui/settingsdialog.cpp
+++ b/gui/settingsdialog.cpp
@@ -18,15 +18,92 @@
 #include "settingsdialog.h"
 #include "ui_settingsdialog.h"
 
+#include "src/error.h"
+
+#include "guiassert.h"
+
 namespace scram {
 namespace gui {
 
-SettingsDialog::SettingsDialog(QWidget *parent) :
-    QDialog(parent),
-    ui(new Ui::SettingsDialog)
+SettingsDialog::SettingsDialog(const core::Settings &initSettings,
+                               QWidget *parent)
+    : QDialog(parent), ui(new Ui::SettingsDialog)
 {
     ui->setupUi(this);
+    setupState(initSettings);
+    setupConnections();
+}
+
+SettingsDialog::~SettingsDialog() = default;
+
+core::Settings SettingsDialog::settings() const
+{
+    core::Settings result;
+    try {
+        if (ui->bdd->isChecked()) {
+            result.algorithm(core::Algorithm::kBdd);
+        } else if (ui->zbdd->isChecked()) {
+            result.algorithm(core::Algorithm::kZbdd);
+        } else {
+            GUI_ASSERT(ui->mocus->isChecked(), result);
+            result.algorithm(core::Algorithm::kMocus);
+        }
 
+        result.prime_implicants(ui->primeImplicants->isChecked());
+
+        if (ui->approximationsBox->isChecked() == false) {
+            result.approximation(core::Approximation::kNone);
+        } else if (ui->rareEvent->isChecked()) {
+            result.approximation(core::Approximation::kRareEvent);
+        } else {
+            GUI_ASSERT(ui->mcub->isChecked(), result);
+            result.approximation(core::Approximation::kMcub);
+        }
+
+        result.limit_order(ui->productOrder->value());
+        result.mission_time(ui->missionTime->value());
+    } catch (Error& err) {
+        GUI_ASSERT(false && err.what(), result);
+    }
+    return result;
+}
+
+void SettingsDialog::setupState(const core::Settings &initSettings)
+{
+    ui->primeImplicants->setChecked(initSettings.prime_implicants());
+    ui->probability->setChecked(initSettings.probability_analysis());
+    ui->importance->setChecked(initSettings.importance_analysis());
+    ui->missionTime->setValue(initSettings.mission_time());
+    ui->productOrder->setValue(initSettings.limit_order());
+
+    switch (initSettings.algorithm()) {
+    case core::Algorithm::kBdd:
+        ui->bdd->setChecked(true);
+        break;
+    case core::Algorithm::kZbdd:
+        ui->zbdd->setChecked(true);
+        break;
+    case core::Algorithm::kMocus:
+        ui->mocus->setChecked(true);
+        break;
+    }
+
+    ui->approximationsBox->setChecked(true);
+    switch (initSettings.approximation()) {
+    case core::Approximation::kNone:
+        ui->approximationsBox->setChecked(false);
+        break;
+    case core::Approximation::kRareEvent:
+        ui->rareEvent->setChecked(true);
+        break;
+    case core::Approximation::kMcub:
+        ui->mcub->setChecked(true);
+        break;
+    }
+}
+
+void SettingsDialog::setupConnections()
+{
     connect(ui->probability, &QAbstractButton::toggled, [this](bool checked) {
         if (!checked)
             ui->importance->setChecked(false);
@@ -57,7 +134,5 @@ SettingsDialog::SettingsDialog(QWidget *parent) :
     });
 }
 
-SettingsDialog::~SettingsDialog() = default;
-
 } // namespace gui
 } // namespace scram
diff --git a/gui/settingsdialog.h b/gui/settingsdialog.h
index 116e1e4043..2ab1db2680 100644
--- a/gui/settingsdialog.h
+++ b/gui/settingsdialog.h
@@ -22,6 +22,8 @@
 
 #include <QDialog>
 
+#include "src/settings.h"
+
 namespace Ui {
 class SettingsDialog;
 }
@@ -34,10 +36,18 @@ class SettingsDialog : public QDialog
     Q_OBJECT
 
 public:
-    explicit SettingsDialog(QWidget *parent = nullptr);
+    /// @param[in] initSettings  The initial settings to setup the dialog.
+    explicit SettingsDialog(const core::Settings &initSettings,
+                            QWidget *parent = nullptr);
     ~SettingsDialog();
 
+    /// @returns Analysis settings derived from the dialog state.
+    core::Settings settings() const;
+
 private:
+    void setupState(const core::Settings &initSettings);
+    void setupConnections();
+
     std::unique_ptr<Ui::SettingsDialog> ui;
 };