diff -r 2377bb30dd1b -r 28143312edb5 vm/src/test/java/org/apidesign/vm4brwsr/NumberTest.java
--- a/vm/src/test/java/org/apidesign/vm4brwsr/NumberTest.java	Tue Oct 30 23:33:29 2012 +0100
+++ b/vm/src/test/java/org/apidesign/vm4brwsr/NumberTest.java	Sun Nov 18 08:41:08 2012 +0100
@@ -55,6 +55,15 @@
             Double.valueOf(3.0), 1000.0
         );
     }
+    
+    @Test public void javaRem() {
+        assertEquals(3, Numbers.rem(303, 10));
+    }
+    @Test public void jsRem() throws Exception {
+        assertExec("Should be three", "org_apidesign_vm4brwsr_Numbers_remIII", 
+            Double.valueOf(3.0), 303, 10
+        );
+    }
 
     
     private static CharSequence codeSeq;