AngularJS + jQuery Base Fiddle

HTML

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.0.6/angular.min.js"></script>
<div ng-app="myApp">
    <div ng-controller="myController">
    
      <div id="display">
          Value from Backend: {{c}}
          <br>
          <b>Is supposed to be {{cSupposedToBe}}: </b>
          <br>
          Rounded to 2 decimals: {{roundTo2(c) }}
          <br>
          Rounded to 4 decimals: {{roundTo4(c) }}
          <br>
          Rounded to 6 decimals: {{roundTo6(c) }}
      </div>
    
      
      <div id="display">
          Value from Backend:  {{g}} 
          <br>
          <b> Is supposed to be {{gSupposedToBe}}: </b>        
          <br>
          Rounded to 2 decimals: {{roundTo2(g) }}
          <br>
          Rounded to 4 decimals: {{roundTo4(g) }}
          <br>
          Rounded to 6 decimals: {{roundTo6(g) }}
      </div>
      
        
      <div id="display">
          Value from Backend:  {{f}}
          <br>
          <b> Is supposed to be {{fSupposedToBe}}: </b>
          <br>
          Rounded to 2 decimals: {{roundTo2(f) }}
          <br>
          Rounded to 4 decimals: {{roundTo4(f) }}
          <br>
          Rounded to 6 decimals: {{roundTo6(f) }}
      </div>

    </div>
</div>

CSS

#display {
  float: left;
  border: 2px solid green;
  width: 60%;
  margin: 0.2% 2%;

  padding: 2%;

}

JavaScript

(function(){
    
    var myApp = angular.module('myApp', []);
    
    myApp.controller('myController', function($scope){
        
	
    
      $scope.a = 0.3;
      $scope.b = 0.1;
      $scope.c = $scope.a - $scope.b;
      $scope.cSupposedToBe = 0.2;
      
      
      $scope.d = 0.000003;
      $scope.e = 0.000002;
      $scope.f = $scope.d - $scope.e;
      $scope.fSupposedToBe = 0.000001;
      
      $scope.h = 0.0003;
      $scope.i = 0.0005;
      $scope.g = $scope.h + $scope.i;
      $scope.gSupposedToBe = 0.0008;
    
			$scope.roundTo2 = function(value) {
      	return value.toFixed(2);
      }
      $scope.roundTo4 = function(value) {
      	return value.toFixed(4);
      }
      $scope.roundTo6 = function(value) {
      	return value.toFixed(6);
      }
        
    });
    
})();