--- gnome-calculator-3.16.2.orig/src/number.vala
+++ gnome-calculator-3.16.2/src/number.vala
@@ -507,6 +507,9 @@ public class Number : Object
                 return pwr (y);
         }
 
+        if (is_complex ())
+            return pwr (y);
+
         Number t;
         Number t2;
         if (y.is_negative ())
@@ -550,6 +553,12 @@ public class Number : Object
             return new Number.integer (0);
         }
 
+        if (is_complex ())
+        {
+            var y = new Number.integer (n);
+            return pwr (y);
+        }
+
         Number t;
         if (n < 0)
         {