diff --git a/res/layout-land/main_calculator.xml b/res/layout-land/main_calculator.xml
index 5ea43f97..73b165db 100644
--- a/res/layout-land/main_calculator.xml
+++ b/res/layout-land/main_calculator.xml
@@ -79,7 +79,7 @@
 
 		<LinearLayout a:layout_weight="1" a:layout_width="fill_parent" a:layout_height="0dp">
 
-			<include layout="@layout/calc_history_button"/>
+			<include layout="@layout/calc_vars_button"/>
 			<include layout="@layout/calc_copy_button"/>
 			<include layout="@layout/calc_seven_digit_button"/>
 			<include layout="@layout/calc_eight_digit_button"/>
@@ -92,27 +92,27 @@
 
 		<LinearLayout a:layout_weight="1" a:layout_width="fill_parent" a:layout_height="0dp">
 
-			<include layout="@layout/calc_vars_button"/>
+			<include layout="@layout/calc_functions_button"/>
 			<include layout="@layout/calc_paste_button"/>
 			<include layout="@layout/calc_four_digit_button"/>
 			<include layout="@layout/calc_five_digit_button"/>
 			<include layout="@layout/calc_six_digit_button"/>
 			<include layout="@layout/calc_plus_button"/>
 			<include layout="@layout/calc_subtraction_button"/>
-			<include layout="@layout/calc_operators_button"/>
+			<include layout="@layout/calc_round_brackets_button"/>
 
 		</LinearLayout>
 
 		<LinearLayout a:layout_weight="1" a:layout_width="fill_parent" a:layout_height="0dp">
 
-			<include layout="@layout/calc_functions_button"/>
+			<include layout="@layout/calc_operators_button"/>
 			<include layout="@layout/calc_donate_button"/>
 			<include layout="@layout/calc_one_digit_button"/>
 			<include layout="@layout/calc_two_digit_button"/>
 			<include layout="@layout/calc_three_digit_button"/>
 			<include layout="@layout/calc_zero_digit_button"/>
 			<include layout="@layout/calc_dot_button"/>
-			<include layout="@layout/calc_round_brackets_button"/>
+			<include layout="@layout/calc_history_button"/>
 
 		</LinearLayout>
 
diff --git a/res/layout-land/main_cellphone.xml b/res/layout-land/main_cellphone.xml
index f9bfad94..60e7e0d0 100644
--- a/res/layout-land/main_cellphone.xml
+++ b/res/layout-land/main_cellphone.xml
@@ -73,7 +73,7 @@
 
 		<LinearLayout a:layout_weight="1" a:layout_width="fill_parent" a:layout_height="0dp">
 
-			<include layout="@layout/calc_history_button"/>
+			<include layout="@layout/calc_vars_button"/>
 			<include layout="@layout/calc_copy_button"/>
 			<include layout="@layout/calc_one_digit_button"/>
 			<include layout="@layout/calc_two_digit_button"/>
@@ -86,27 +86,27 @@
 
 		<LinearLayout a:layout_weight="1" a:layout_width="fill_parent" a:layout_height="0dp">
 
-			<include layout="@layout/calc_vars_button"/>
+			<include layout="@layout/calc_functions_button"/>
 			<include layout="@layout/calc_paste_button"/>
 			<include layout="@layout/calc_four_digit_button"/>
 			<include layout="@layout/calc_five_digit_button"/>
 			<include layout="@layout/calc_six_digit_button"/>
 			<include layout="@layout/calc_plus_button"/>
 			<include layout="@layout/calc_subtraction_button"/>
-			<include layout="@layout/calc_operators_button"/>
+			<include layout="@layout/calc_round_brackets_button"/>
 
 		</LinearLayout>
 
 		<LinearLayout a:layout_weight="1" a:layout_width="fill_parent" a:layout_height="0dp">
 
-			<include layout="@layout/calc_functions_button"/>
+			<include layout="@layout/calc_operators_button"/>
 			<include layout="@layout/calc_donate_button"/>
 			<include layout="@layout/calc_seven_digit_button"/>
 			<include layout="@layout/calc_eight_digit_button"/>
 			<include layout="@layout/calc_nine_digit_button"/>
 			<include layout="@layout/calc_zero_digit_button"/>
 			<include layout="@layout/calc_dot_button"/>
-			<include layout="@layout/calc_round_brackets_button"/>
+			<include layout="@layout/calc_history_button"/>
 
 		</LinearLayout>