Nothing.

src/net/apocalypselabs/symat/CodeRunner.java

@@ -78,8 +78,9 @@ public class CodeRunner {
     }
 
     /**
-     * Allows use of Math.blah() as just blah().  
-     * Also gives access to SyMAT Java functions.
+     * Allows use of Math.blah() as just blah(). Also gives access to SyMAT Java
+     * functions.
+     *
      * @param eval input string
      * @return wrapped input
      */
@@ -112,4 +113,13 @@ public class CodeRunner {
         }
         return text;
     }
+
+    // TODO: Run Javascript in separate thread from rest of app.
+    private class JsThread extends Thread {
+
+        @Override
+        public void run() {
+
+        }
+    }
 }

src/net/apocalypselabs/symat/PrefStorage.java

@@ -48,4 +48,11 @@ public class PrefStorage {
     public static String getSetting(String key, String emptyResponse) {
         return prefs.get(key, emptyResponse);
     }
+
+    // xkcd 221 compliance.
+    int getRandomNumber()
+    {
+        return 4; // chosen by fair dice roll.
+                  // guaranteed to be random.
+    }
 }