diff --git a/app/src/main/res/drawable/ic_calculate.xml b/app/src/main/res/drawable/ic_calculate.xml
new file mode 100644
index 000000000..dd8886e5a
--- /dev/null
+++ b/app/src/main/res/drawable/ic_calculate.xml
@@ -0,0 +1,24 @@
+
+
+
+
+
+
+
+
diff --git a/app/src/main/res/menu/activity_list_menu.xml b/app/src/main/res/menu/activity_list_menu.xml
index 851cbdae4..5a959b948 100644
--- a/app/src/main/res/menu/activity_list_menu.xml
+++ b/app/src/main/res/menu/activity_list_menu.xml
@@ -10,13 +10,13 @@