diff --git a/app/src/main/java/org/solovyev/android/calculator/App.java b/app/src/main/java/org/solovyev/android/calculator/App.java
index a95ed149..e0572d5c 100644
--- a/app/src/main/java/org/solovyev/android/calculator/App.java
+++ b/app/src/main/java/org/solovyev/android/calculator/App.java
@@ -358,4 +358,8 @@ public final class App {
                     "Failed to show permission settings for " + action, e);
         }
     }
+
+    public static boolean isTablet(@NonNull Context context) {
+        return context.getResources().getBoolean(R.bool.cpp_tablet);
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/solovyev/android/calculator/about/AboutActivity.java b/app/src/main/java/org/solovyev/android/calculator/about/AboutActivity.java
index be2f0f4d..a3f3223f 100644
--- a/app/src/main/java/org/solovyev/android/calculator/about/AboutActivity.java
+++ b/app/src/main/java/org/solovyev/android/calculator/about/AboutActivity.java
@@ -25,9 +25,9 @@ package org.solovyev.android.calculator.about;
 import android.content.Context;
 import android.support.annotation.NonNull;
 
+import org.solovyev.android.calculator.App;
 import org.solovyev.android.calculator.BaseActivity;
 import org.solovyev.android.calculator.FragmentTab;
-import org.solovyev.android.calculator.R;
 import org.solovyev.android.calculator.view.Tabs;
 
 import javax.annotation.Nonnull;
@@ -39,8 +39,7 @@ public class AboutActivity extends BaseActivity {
 
     @Nonnull
     public static Class<? extends AboutActivity> getClass(@NonNull Context context) {
-        boolean tablet = context.getResources().getBoolean(R.bool.cpp_tablet);
-        return tablet ? Dialog.class : AboutActivity.class;
+        return App.isTablet(context) ? Dialog.class : AboutActivity.class;
     }
 
 
diff --git a/app/src/main/java/org/solovyev/android/calculator/functions/FunctionsActivity.java b/app/src/main/java/org/solovyev/android/calculator/functions/FunctionsActivity.java
index acc8ed30..822694c6 100644
--- a/app/src/main/java/org/solovyev/android/calculator/functions/FunctionsActivity.java
+++ b/app/src/main/java/org/solovyev/android/calculator/functions/FunctionsActivity.java
@@ -27,6 +27,7 @@ import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.view.View;
 
+import org.solovyev.android.calculator.App;
 import org.solovyev.android.calculator.BaseActivity;
 import org.solovyev.android.calculator.FragmentTab;
 import org.solovyev.android.calculator.R;
@@ -41,8 +42,7 @@ public class FunctionsActivity extends BaseActivity {
 
     @Nonnull
     public static Class<? extends FunctionsActivity> getClass(@NonNull Context context) {
-        boolean tablet = context.getResources().getBoolean(R.bool.cpp_tablet);
-        return tablet ? Dialog.class : FunctionsActivity.class;
+        return App.isTablet(context) ? Dialog.class : FunctionsActivity.class;
     }
 
     @Override
diff --git a/app/src/main/java/org/solovyev/android/calculator/history/HistoryActivity.java b/app/src/main/java/org/solovyev/android/calculator/history/HistoryActivity.java
index 3993d5dc..e4f712d1 100644
--- a/app/src/main/java/org/solovyev/android/calculator/history/HistoryActivity.java
+++ b/app/src/main/java/org/solovyev/android/calculator/history/HistoryActivity.java
@@ -49,8 +49,7 @@ public class HistoryActivity extends BaseActivity {
 
     @Nonnull
     public static Class<? extends HistoryActivity> getClass(@NonNull Context context) {
-        boolean tablet = context.getResources().getBoolean(R.bool.cpp_tablet);
-        return tablet ? Dialog.class : HistoryActivity.class;
+        return App.isTablet(context) ? Dialog.class : HistoryActivity.class;
     }
 
 
diff --git a/app/src/main/java/org/solovyev/android/calculator/keyboard/BaseKeyboardUi.java b/app/src/main/java/org/solovyev/android/calculator/keyboard/BaseKeyboardUi.java
index ea8155b5..29a96119 100644
--- a/app/src/main/java/org/solovyev/android/calculator/keyboard/BaseKeyboardUi.java
+++ b/app/src/main/java/org/solovyev/android/calculator/keyboard/BaseKeyboardUi.java
@@ -1,7 +1,16 @@
 package org.solovyev.android.calculator.keyboard;
 
+import static android.view.HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING;
+import static android.view.HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING;
+import static android.view.HapticFeedbackConstants.KEYBOARD_TAP;
+import static org.solovyev.android.calculator.App.cast;
+import static org.solovyev.android.calculator.App.getScreenMetrics;
+import static org.solovyev.android.calculator.Preferences.Gui.Layout.simple;
+import static org.solovyev.android.calculator.Preferences.Gui.Layout.simple_mobile;
+
 import android.app.Activity;
 import android.app.Application;
+import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.graphics.Typeface;
@@ -11,8 +20,15 @@ import android.util.TypedValue;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.TextView;
+
 import org.solovyev.android.Views;
-import org.solovyev.android.calculator.*;
+import org.solovyev.android.calculator.ActivityUi;
+import org.solovyev.android.calculator.App;
+import org.solovyev.android.calculator.Calculator;
+import org.solovyev.android.calculator.Editor;
+import org.solovyev.android.calculator.Keyboard;
+import org.solovyev.android.calculator.Preferences;
+import org.solovyev.android.calculator.PreferredPreferences;
 import org.solovyev.android.calculator.buttons.CppSpecialButton;
 import org.solovyev.android.calculator.view.ScreenMetrics;
 import org.solovyev.android.views.Adjuster;
@@ -21,20 +37,18 @@ import org.solovyev.android.views.dragbutton.DragButton;
 import org.solovyev.android.views.dragbutton.DragDirection;
 import org.solovyev.android.views.dragbutton.SimpleDragListener;
 
-import javax.annotation.Nonnull;
-import javax.inject.Inject;
 import java.util.ArrayList;
 import java.util.List;
 
-import static android.view.HapticFeedbackConstants.*;
-import static org.solovyev.android.calculator.App.cast;
-import static org.solovyev.android.calculator.App.getScreenMetrics;
-import static org.solovyev.android.calculator.Preferences.Gui.Layout.simple;
-import static org.solovyev.android.calculator.Preferences.Gui.Layout.simple_mobile;
+import javax.annotation.Nonnull;
+import javax.inject.Inject;
 
 public abstract class BaseKeyboardUi implements SharedPreferences.OnSharedPreferenceChangeListener, SimpleDragListener.DragProcessor, View.OnClickListener {
 
-    public static final float TEXT_SCALE = 0.6f;
+    public static float getTextScale(@NonNull Context context) {
+        return App.isTablet(context) ? 0.5f : 0.6f;
+    }
+
     public static final float IMAGE_SCALE = 0.6f;
     public static final float IMAGE_SCALE_ERASE = 0.5f;
 
@@ -57,14 +71,16 @@ public abstract class BaseKeyboardUi implements SharedPreferences.OnSharedPrefer
     protected int orientation = Configuration.ORIENTATION_PORTRAIT;
     private int textSize;
     private Preferences.Gui.Layout layout;
+    private final float textScale;
 
     public BaseKeyboardUi(@NonNull Application application) {
         listener = new SimpleDragListener(this, application);
+        textScale = getTextScale(application);
     }
 
     public static void adjustButton(@NonNull View button) {
         if (button instanceof TextView) {
-            Adjuster.adjustText((TextView) button, TEXT_SCALE);
+            Adjuster.adjustText((TextView) button, getTextScale(button.getContext()));
         } else if (button instanceof ImageView) {
             Adjuster.adjustImage((ImageView) button, IMAGE_SCALE);
         }
@@ -110,7 +126,7 @@ public abstract class BaseKeyboardUi implements SharedPreferences.OnSharedPrefer
         button.setOnDragListener(listener);
         ActivityUi.setFont(button, typeface);
         button.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);
-        Adjuster.adjustText(button, TEXT_SCALE);
+        Adjuster.adjustText(button, textScale);
     }
 
     protected final void hideText(@Nullable DirectionDragButton button, @Nonnull DragDirection... directions) {
diff --git a/app/src/main/java/org/solovyev/android/calculator/operators/OperatorsActivity.java b/app/src/main/java/org/solovyev/android/calculator/operators/OperatorsActivity.java
index 5a0a9a5d..dc36487e 100644
--- a/app/src/main/java/org/solovyev/android/calculator/operators/OperatorsActivity.java
+++ b/app/src/main/java/org/solovyev/android/calculator/operators/OperatorsActivity.java
@@ -25,6 +25,7 @@ package org.solovyev.android.calculator.operators;
 import android.content.Context;
 import android.support.annotation.NonNull;
 
+import org.solovyev.android.calculator.App;
 import org.solovyev.android.calculator.BaseActivity;
 import org.solovyev.android.calculator.FragmentTab;
 import org.solovyev.android.calculator.R;
@@ -39,8 +40,7 @@ public class OperatorsActivity extends BaseActivity {
 
     @Nonnull
     public static Class<? extends OperatorsActivity> getClass(@NonNull Context context) {
-        boolean tablet = context.getResources().getBoolean(R.bool.cpp_tablet);
-        return tablet ? Dialog.class : OperatorsActivity.class;
+        return App.isTablet(context) ? Dialog.class : OperatorsActivity.class;
     }
 
     @Override
diff --git a/app/src/main/java/org/solovyev/android/calculator/preferences/PreferencesActivity.java b/app/src/main/java/org/solovyev/android/calculator/preferences/PreferencesActivity.java
index f2ca9248..7b668bdf 100644
--- a/app/src/main/java/org/solovyev/android/calculator/preferences/PreferencesActivity.java
+++ b/app/src/main/java/org/solovyev/android/calculator/preferences/PreferencesActivity.java
@@ -32,8 +32,7 @@ public class PreferencesActivity extends BaseActivity implements SharedPreferenc
     private static final SparseArray<PrefDef> preferences = new SparseArray<>();
 
     public static Class<? extends PreferencesActivity> getClass(@NonNull Context context) {
-        final boolean tablet = context.getResources().getBoolean(R.bool.cpp_tablet);
-        return tablet ? Dialog.class : PreferencesActivity.class;
+        return App.isTablet(context) ? Dialog.class : PreferencesActivity.class;
     }
 
     static {
diff --git a/app/src/main/java/org/solovyev/android/calculator/variables/VariablesActivity.java b/app/src/main/java/org/solovyev/android/calculator/variables/VariablesActivity.java
index b55866dc..81970d98 100644
--- a/app/src/main/java/org/solovyev/android/calculator/variables/VariablesActivity.java
+++ b/app/src/main/java/org/solovyev/android/calculator/variables/VariablesActivity.java
@@ -26,6 +26,8 @@ import android.content.Context;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.view.View;
+
+import org.solovyev.android.calculator.App;
 import org.solovyev.android.calculator.BaseActivity;
 import org.solovyev.android.calculator.FragmentTab;
 import org.solovyev.android.calculator.R;
@@ -40,8 +42,7 @@ public class VariablesActivity extends BaseActivity {
 
     @Nonnull
     public static Class<? extends VariablesActivity> getClass(@NonNull Context context) {
-        boolean tablet = context.getResources().getBoolean(R.bool.cpp_tablet);
-        return tablet ? Dialog.class : VariablesActivity.class;
+        return App.isTablet(context) ? Dialog.class : VariablesActivity.class;
     }
 
     @Override
diff --git a/app/src/main/java/org/solovyev/android/calculator/wizard/DragButtonWizardStep.java b/app/src/main/java/org/solovyev/android/calculator/wizard/DragButtonWizardStep.java
index 0f1a14b8..01cdd7b0 100644
--- a/app/src/main/java/org/solovyev/android/calculator/wizard/DragButtonWizardStep.java
+++ b/app/src/main/java/org/solovyev/android/calculator/wizard/DragButtonWizardStep.java
@@ -22,12 +22,15 @@
 
 package org.solovyev.android.calculator.wizard;
 
+import static org.solovyev.android.calculator.App.cast;
+
 import android.graphics.PointF;
 import android.graphics.Typeface;
 import android.os.Bundle;
 import android.view.MotionEvent;
 import android.view.View;
 import android.widget.TextView;
+
 import org.solovyev.android.calculator.ActivityUi;
 import org.solovyev.android.calculator.R;
 import org.solovyev.android.calculator.keyboard.BaseKeyboardUi;
@@ -37,12 +40,11 @@ import org.solovyev.android.views.dragbutton.DragButton;
 import org.solovyev.android.views.dragbutton.DragDirection;
 import org.solovyev.android.views.dragbutton.SimpleDragListener;
 
+import java.util.Arrays;
+
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import javax.inject.Inject;
-import java.util.Arrays;
-
-import static org.solovyev.android.calculator.App.cast;
 
 public class DragButtonWizardStep extends WizardFragment {
 
@@ -76,7 +78,7 @@ public class DragButtonWizardStep extends WizardFragment {
         dragButton.setOnDragListener(
                 new SimpleDragListener(new DragButtonProcessor(), getActivity()));
         ActivityUi.setFont(dragButton, typeface);
-        Adjuster.adjustText(dragButton, BaseKeyboardUi.TEXT_SCALE);
+        Adjuster.adjustText(dragButton, BaseKeyboardUi.getTextScale(getActivity()));
         actionTextView = (TextView) root.findViewById(R.id.wizard_dragbutton_action_textview);
         if (savedInstanceState != null) {
             setAction((DragButtonAction) savedInstanceState.getSerializable(ACTION));
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index ab71723b..392952ac 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -96,9 +96,8 @@
 
     <style name="CppText.About">
         <item name="android:gravity">center</item>
-        <item name="android:layout_width">fill_parent</item>
-        <item name="android:layout_height">fill_parent</item>
-        <item name="android:textSize">@dimen/cpp_fragment_text_size</item>
+        <item name="android:layout_width">match_parent</item>
+        <item name="android:layout_height">match_parent</item>
         <item name="android:padding">5dp</item>
     </style>