title: JQuery Calculator: Calculate Input, Clear After
body: <p><a href="http://jsbin.com/UYusECo/1/" rel="nofollow">http://jsbin.com/UYusECo/1/</a><br>
  <a href="http://jsbin.com/UYusECo/1/edit" rel="nofollow">http://jsbin.com/UYusECo/1/edit</a></p>
  
  <p>All the functions on the calculator work fine, but after I hit equal for say 6+6= and then my result shows to be 12. When I press 2 or any other number I want to clear the input of 12 or whatever the last calculation was and start a new calculation. 
  Can anyone help me on this?</p>