[gnome-calculator] Added tooltip to arguments button

[Arth Patel <arthpatel src gnome org>]

commit 0625973c93e649570d60a37e2f63d2acb0d3d753
Author: Garima Joshi <gjoshi0311 gmail com>
Date:   Mon Dec 23 15:45:54 2013 +0530

    Added tooltip to arguments button

 src/math-function-popup.vala |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/math-function-popup.vala b/src/math-function-popup.vala
index ba89188..4283bac 100644
--- a/src/math-function-popup.vala
+++ b/src/math-function-popup.vala
@@ -60,7 +60,7 @@ public class MathFunctionPopup : Gtk.Window
         entry.show ();
 
         function_name_entry = new Gtk.Entry ();
-        function_name_entry.set_text ("Type function name");
+        function_name_entry.set_text ("Type function name here");
         function_name_entry.key_press_event.connect (function_name_key_press_cb);
         function_name_entry.changed.connect (function_name_changed_cb);
         function_name_entry.set_margin_right (5);
@@ -72,6 +72,7 @@ public class MathFunctionPopup : Gtk.Window
         entry = new Gtk.Box (Gtk.Orientation.HORIZONTAL, 6);
         entry.show ();
         add_arguments_button = new Gtk.SpinButton.with_range (1, 10, 1);
+        add_arguments_button.set_tooltip_text ("Select no. of arguments");
         entry.pack_start (add_arguments_button, false, true, 0);
         add_arguments_button.show ();
         add_function_button = new Gtk.Button ();