<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.3.4/angular.min.js"></script>
<script type="text/javascript">
   function con1($scope) {
     $scope.somestring = "some string";
   }
</script>

<div>
{{1+1}}
</div>

<div ng-controller="con1">
{{1+1}}
</div>