diff --git a/src/main.c b/src/main.c
index ed3c94b..3c83cc4 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,7 +6,11 @@
 #include "Equate.h"
 #include "calc.h"
 
-static Evas_Object *win;
+#define EQUATE_WIDTH 200
+#define EQUATE_HEIGHT 250
+#define EQUATE_TEXT_SCALE 1.6
+
+static Evas_Object *win, *table;
 static Evas_Object *readout;
 
 static const struct
@@ -178,7 +182,6 @@ _create_button(Evas_Object *table, const char *text, int op, int x, int y,
    evas_object_size_hint_align_set(button, EVAS_HINT_FILL, EVAS_HINT_FILL);
    elm_object_text_set(button, text);
 
-   elm_object_scale_set(button, 2.0);
    evas_object_smart_callback_add(button, "clicked", _button_cb, (void *)(uintptr_t)op);
 
    elm_table_pack(table, button, x, y, w, 1);
@@ -264,11 +267,22 @@ _key_down_cb(void *data, int type, void *event)
    return EINA_TRUE;
 }
 
+static void
+_resize_cb(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj,
+   void *event_info EINA_UNUSED)
+{
+   Evas_Coord w, h;
+   double relative_scale;
+
+   evas_object_geometry_get(win, NULL, NULL, &w, &h);
+   relative_scale = ((double) h / EQUATE_HEIGHT);
+   elm_object_scale_set(table, EQUATE_TEXT_SCALE * relative_scale);
+   evas_object_resize(table, w, h);
+}
+
 static void
 _create_gui(void)
 {
-   Evas_Object *table;
-
    win = elm_win_add(NULL, "equate", ELM_WIN_BASIC);
    elm_win_title_set(win, "Equate");
    elm_win_autodel_set(win, EINA_TRUE);
@@ -278,18 +292,22 @@ _create_gui(void)
    elm_table_homogeneous_set(table, EINA_TRUE);
    evas_object_size_hint_weight_set(table, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
    evas_object_size_hint_align_set(table, EVAS_HINT_FILL, EVAS_HINT_FILL);
-   elm_win_resize_object_add(win, table);
+
+   evas_object_move(table, 0, 0);
+   evas_object_resize(table, EQUATE_WIDTH, EQUATE_HEIGHT);
    evas_object_show(table);
 
-   ecore_event_handler_add (ECORE_EVENT_KEY_DOWN, _key_down_cb, NULL);
+   ecore_event_handler_add(ECORE_EVENT_KEY_DOWN, _key_down_cb, NULL);
 
+   elm_object_scale_set(table, EQUATE_TEXT_SCALE);
    evas_object_show(win);
-   evas_object_resize(win, 260, 300);
+   evas_object_resize(win, EQUATE_WIDTH * elm_config_scale_get(),
+      EQUATE_HEIGHT * elm_config_scale_get());
+   evas_object_event_callback_add(win, EVAS_CALLBACK_RESIZE, _resize_cb, NULL);
 
    readout = elm_label_add(table);
    evas_object_size_hint_weight_set(readout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
    evas_object_size_hint_align_set(readout, 1.0, EVAS_HINT_FILL);
-   elm_object_scale_set(readout, 2.0);
    elm_table_pack(table, readout, 0, 0, 4, 1);
    evas_object_show(readout);