changes

res/layout/calc_history_button.xml

@@ -11,6 +11,7 @@
 													   a:text="@string/c_history_button"
 													   c:textUp="@string/c_undo"
 													   c:textDown="@string/c_redo"
+													   c:directionTextScale="0.3"
 													   style="?controlButtonStyle"
 													   a:textStyle="bold"
 													   a:onClick="historyButtonClickHandler"/>

res/layout/calc_round_brackets_button.xml

@@ -13,6 +13,6 @@
 													   a:text="()"
 													   c:textDown=")"
 													   c:textLeft="(…)"
-													   c:directionTextScale="0.5"
+													   c:directionTextScale="0.5;0.5;0.5;0.33"
 													   style="?digitButtonStyle"
 													   a:onClick="digitButtonClickHandler"/>

res/layout/calc_six_digit_button.xml

@@ -14,5 +14,6 @@
 													   c:textLeft="F"
 													   c:textRight="grad"
 													   c:textDown="rad"
+													   c:directionTextScale="0.33;0.30;0.33;0.33"
 													   style="?digitButtonStyle"
 													   a:onClick="digitButtonClickHandler"/>