index.html

<!DOCTYPE html>
<html ng-app="plunker">

  <head>
    <meta charset="utf-8" />
    <title>AngularJS Plunker</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <link rel="stylesheet" href="style.css" />
    <script data-require="angular.js@1.4.x" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.5/angular.min.js" data-semver="1.4.5"></script>
    <script src="app.js"></script>
  </head>

  <body ng-controller="MainCtrl">
    <P>Hello {{name}} i am mathomatic</P>
Name:<input ng-model="name">
  <p>pick your type of math</p>
  <button>+</button> <button>-</button> <button>X</button>
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  </body>

</html>